Denver's position at the foot of the Rockies and within striking distance of the Colorado Plateau makes it one of the best RV departure points in the interior US. Here's what you can reach:

• Rocky Mountain National Park - (105km/65 miles northwest, 1.5 hours via US-36) Over 300 miles of hiking trails, Trail Ridge Road alpine tundra (above treeline at 3,500m), elk rut (September-October, spectacular), Bear Lake area hikes (easy to moderate, 2-8km loops), Longs Peak (4,346m, strenuous 24km round trip, popular 14er), wildflower meadows peak mid-July to August. Moraine Park Campground ($30/night, book via Recreation.gov). Glacier Gorge and Sprague Lake accessible for smaller RVs. Timed entry permits required June-October (book Recreation.gov). Download NPS app and offline maps before entering, limited cell service throughout park.
• Colorado Springs and Pikes Peak - (105km/65 miles south, 1.5 hours via I-25) Garden of the Gods (free, dramatic red sandstone formations, hiking, photography), Pikes Peak summit (4,302m, $20/person, Pikes Peak Highway or Cog Railway $48+), US Air Force Academy (free driving tour, iconic chapel), Cave of the Winds ($30), Cheyenne Mountain State Park (campground $28/night, excellent hiking). Colorado Springs is the most accessible major destination from Denver for a weekend trip.
• Breckenridge, Vail, and Summit County - (150-165km/93-103 miles west, 1.5-2 hours via I-70) World-class ski resort towns. Summer: hiking the 10th Mountain Division Hut System (hut-to-hut hiking/cycling), mountain biking, gondola rides (free views), wildflowers. Breckenridge (historic Victorian downtown, free Main St exploring), Vail (European-style village, Ford Amphitheater summer concerts). Dillon Reservoir (sailing, kayaking, surrounded by Rockies). Dispersed camping in White River National Forest ($0, 14-day limit, via iOverlander/Park4Night). Frisco Adventure Park (summer mini golf, mountain coasters).
• Aspen and the Roaring Fork Valley - (320km/200 miles west, 3.5-4 hours via I-70/CO-82) Aspen Mountain (gondola $35 summer, 360-degree views), Maroon Bells (two 4,270m peaks reflected in lake, most-photographed mountains in Colorado, free—but shuttle required from Aspen $9 per person June-October), Snowmass village, Independence Pass (CO-82, 3,687m, closes November-May, no RVs over 35ft due to narrow road and steep switchbacks). Extremely expensive town—self-catering in RV saves significantly. Difficult Campground (near Aspen, $27/night, beautiful White River NF setting, book ahead).
• Great Sand Dunes and Alamosa - (250km/155 miles south, 3.5 hours via US-285/CO-17) Tallest sand dunes in North America rising above the San Luis Valley floor, Medano Creek wading in June (seasonal creek at dune base), sand sledding and sandboarding (boards for hire at Oasis Store), Sangre de Cristo Mountains with 13,000ft+ peaks behind, Great Blanca Wetlands (bird watching, sandhill cranes March-April). Piñon Flats Campground ($22/night, within park, book via Recreation.gov). Visit spring and fall—summer sand surface exceeds 60°C by afternoon but mornings are fine.
• Mesa Verde National Park - (380km/235 miles southwest, 5 hours via US-285/US-160) The most extensive collection of Ancestral Puebloan cliff dwellings in the US, a UNESCO World Heritage Site. Cliff Palace ($5 guided tour, 150 rooms, 23 kivas), Balcony House (more adventurous tour, ladder climbing), Chapin Mesa Archeological Museum (free). Morefield Campground ($30-40/night, within park, full hookups available). Cortez and Durango nearby for supplies. Visit May-October; cliff dwelling tours sell out weeks ahead—book via Recreation.gov. Limited cell service—download NPS app.
• Black Canyon of the Gunnison - (300km/186 miles southwest, 4 hours via US-285/US-50) Walls drop 820 meters in some sections—one of the most dramatic canyons in North America. Painted Wall (Colorado's tallest cliff at 688m, visible from Painted Wall View overlook), Inner Canyon hiking (strenuous, requires register at visitor center), South Rim Drive (scenic, 10 viewpoints, 16km round trip). South Rim Campground ($16-22/night). Combine with Curecanti National Recreation Area (Blue Mesa Reservoir, fishing, kayaking, 45km east on US-50). Download NPS app—minimal cell service.
• Arches and Canyonlands (Utah) - (580-600km/360-375 miles west, 5.5-6 hours via I-70/US-191) Arches: Delicate Arch hike (5km round trip, moderate, iconic—sunset visits most dramatic), Windows Section (multiple arches, easy 1.6km loop), Landscape Arch (world's longest at 88m). Canyonlands: Island in the Sky district, Mesa Arch sunrise (iconic photography), Grand View Point (sweeping canyon panorama). Moab (gateway town): mountain biking, rafting on Colorado River, excellent restaurants. Devil's Garden Campground (Arches, $25/night, highly sought-after, book via Recreation.gov months ahead). Timed entry permits required for Arches ($2 per vehicle, April-October). Download NPS app—zero cell service in both parks.

Roads in Colorado range from excellent interstates (I-70, I-25) to genuinely challenging mountain passes. I-70 west through the Eisenhower Tunnel (3,400m) is well-maintained but heavily trafficked on weekends—frequent closures in winter storms. US-285 south is fast and smooth. CO-550 (Million Dollar Highway) is spectacular but demands full attention—steep grades, narrow lanes, sheer drops, tight switchbacks. Mountain passes require chains November-April.

Here's what sets us apart:

• Unlimited mileage - Denver to Rocky Mountain National Park and back (210km), Denver to Moab round trip (1,160km), Denver to Grand Canyon and back (1,800km), drive without distance caps. Essential in the Rocky Mountain West where parks and attractions are widely spread.
• Flexible one-way rentals - Drop off in Las Vegas, Salt Lake City, or Phoenix. No need to return to Denver. Perfect for multi-state Southwest road trips or traversing the Colorado Plateau.
• Kitchen kits included - Full cooking equipment. Cooking at altitude next to a mountain river or under canyon walls beats any restaurant. Denver and resort town restaurants run $25-50/person—cooking saves significantly on extended trips.
• 24/7 roadside assistance - Across US.
• Pet-friendly options - Many Colorado State Park campgrounds and national forest dispersed sites welcome dogs. Bring your pet along (confirm pet policy when booking; note most national park trails do not allow dogs off paved roads).

June-September is ideal. Colorado's mountain climate means most high-altitude parks and scenic drives are only fully accessible in summer, with June-August offering the best combination of open roads, wildflowers, and warm temperatures. July-September sells out fastest—book campgrounds and RVs 3-5 months ahead for these months. September is consistently the most popular single month for Denver RV rentals: aspen fall colors peak, elk rut begins in Rocky Mountain National Park, crowds drop after Labor Day, and all mountain roads are still open. Spring and fall offer excellent shoulder season value.

Spring (March to May)

Temperatures: 5-18°C (41-64°F) at Denver elevation, colder in mountains
Rainfall: Moderate (30-50mm/month), snow possible at altitude

Shoulder season with excellent value and gradually opening landscapes. Lower elevations (Denver, Colorado Springs, Garden of the Gods, Great Sand Dunes) accessible and beautiful—wildflowers in the San Luis Valley, sandhill cranes at Monte Vista wildlife refuge (March-April). Mountain passes and high-altitude parks still partially closed: Trail Ridge Road opens late May, Tioga-equivalent routes in Rocky Mountain NP closed until late May-early June, Independence Pass closed until late May. Colorado Springs and the Front Range accessible and uncrowded. Easter and Memorial Day weekends see price increases. Telluride Bluegrass Festival (Telluride, mid-June) signals the start of summer festival season.

Best for: Colorado Springs, Great Sand Dunes, Black Canyon of the Gunnison (south rim open year-round), lower elevation hikes, budget-friendly pricing, avoiding summer crowds.

Summer (June to August)

Temperatures: 25-32°C (77-90°F) at Denver, 15-22°C (59-72°F) at altitude
Rainfall: Afternoon thunderstorms July-August ("monsoon season"), mornings clear

Peak season and the window when Colorado delivers everything. All mountain roads open (Trail Ridge Road, Independence Pass, passes to Telluride). Rocky Mountain National Park wildflower meadows peak mid-July to August. Maroon Bells at their most photogenic. Mountain biking in Breckenridge and Vail, hiking 14ers (Colorado's 58 peaks over 14,000ft), white-water rafting on the Arkansas and Colorado Rivers (peak flows May-June, good conditions through August), fly fishing, kayaking. Afternoon thunderstorms develop rapidly July-August above treeline—hike early, be below treeline by noon. Book campgrounds 3-5 months ahead. Red Rocks concert season runs May-October—book RV 2-3 months ahead for concert weekends (venue is 32km from Denver). Telluride Film Festival (early September, 400km southwest), Aspen Music Festival (summer-long).

Best for: Rocky Mountain National Park (Trail Ridge Road fully open), 14er hiking (July-August best window), Maroon Bells, white-water rafting, Telluride and mountain towns, all scenic byways open, maximum daylight, family vacations (school break). Start hikes by 6-7am and be off exposed ridges by noon to avoid afternoon lightning.

Fall (September to October)

Temperatures: 15-24°C (59-75°F) Denver, 5-15°C (41-59°F) mountains
Rainfall: Low, dry and crisp

Exceptional season—arguably the best time to visit Colorado, and the most popular month for Denver RV rentals is September. Aspen trees turn brilliant gold and orange throughout the Rockies (late September-mid-October), among the most spectacular fall color displays in North America.. Aspen trees turn brilliant gold and orange throughout the Rockies (late September-mid-October), among the most spectacular fall color displays in North America. Elk rut in Rocky Mountain National Park (September-October): bugling males, large herds, dramatic wildlife encounters. Crowds drop significantly after Labor Day, prices fall 20-30%, campgrounds easier to book. Trail Ridge Road open until mid-October. Independence Pass closes by early November. Telluride Film Festival (early September). Great American Beer Festival (Denver, October, $100+ tickets, books out). San Juan Mountains fall color drives (Ouray, Silverton, Telluride area) among the finest in Colorado.

Best for: Aspen fall colors (must-see in Colorado), elk rut wildlife viewing, fewer crowds, shoulder season pricing, San Juan Mountains drives, Great American Beer Festival, all roads still open in September.

Winter (November to February)

Temperatures: -5 to 8°C (23-46°F) Denver, well below freezing in mountains
Snowfall: Heavy in mountains, moderate in Denver

Off-peak for most parks but prime ski season. Breckenridge, Vail, Aspen, Telluride, Keystone, and Arapahoe Basin open November-April ($100-200/day lift tickets). Rocky Mountain National Park lower sections accessible year-round, Trail Ridge Road closed. Mesa Verde accessible in winter (some tours available). Great Sand Dunes beautiful and uncrowded with occasional snow dusting dunes. Lowest campground prices (some close for winter), lowest RV rental rates. I-70 mountain corridor requires chains during storms—frequent closures for severe weather. Not ideal for canyon country (cold desert nights). Holiday weeks (Christmas, New Year's, Presidents Day week) are ski-town high season with premium pricing.

Best for: Skiing near Denver (Breckenridge, Vail, Keystone), uncrowded national parks, dramatic winter landscapes, budget road travel outside ski resorts, experienced cold-weather campers.

Most popular months: July, August, September (70% of annual rentals).

3 to 5 Days

Rocky Mountain National Park and Summit County (500km round trip, 3-4 days)
- Day 1: Denver to Estes Park (105km), enter park via Beaver Meadows, Moraine Park
- Day 2: Trail Ridge Road (full day, 70km scenic drive, tundra, wildlife), Bear Lake hikes
- Day 3: Rocky Mountain NP to Breckenridge via I-70 (150km), Dillon Reservoir evening
- Day 4: Breckenridge town, hiking or mountain biking, return to Denver (150km)

Colorado Springs and Pikes Peak (250km round trip, 3 days)
- Day 1: Denver to Colorado Springs (105km), Garden of the Gods, Old Colorado City
- Day 2: Pikes Peak summit (early morning to avoid crowds/afternoon storms), Cave of the Winds
- Day 3: Cheyenne Mountain State Park hike, return to Denver

Front Range and Red Rocks Weekend (200km, 2-3 days)
- Day 1: Red Rocks Amphitheatre (free to hike, concert if booked), Morrison, Dinosaur Ridge
- Day 2: Golden (Coors Brewery tour $25, Buffalo Bill Museum), Clear Creek Canyon hiking
- Day 3: Boulder (Pearl Street Mall, Flatirons hike, Chautauqua Park), return to Denver

7 to 10 Days

Colorado Mountain Loop (1,500km, 8-9 days)
Denver to Rocky Mountain NP (2 nights) to Aspen via I-70/CO-82 (2 nights, 320km) to Telluride via CO-62 (2 nights, 160km, San Juan Mountains) to Durango (1 night, 105km) to Colorado Springs via US-160/I-25 (1 night, 280km) to Denver (105km)

Colorado Plateau and Canyon Country (2,000km, 9-10 days)
Denver to Black Canyon of the Gunnison (2 nights, 300km) to Great Sand Dunes (1 night, 185km) to Mesa Verde (2 nights, 155km) to Moab/Arches/Canyonlands (2 nights, 290km) to return to Denver via I-70 (580km)

Rocky Mountain National Parks and Utah (1,800km, 8-9 days)
Denver to Rocky Mountain NP (2 nights) to Dinosaur National Monument (1 night, 360km, Utah border, petroglyphs, river canyon) to Arches/Moab (2 nights, 230km) to Canyonlands (1 night, 50km) to Grand Junction (1 night, 220km) to return to Denver via I-70 (360km)

14+ Days

Colorado and Southwest Grand Tour (3,500km, 14-18 days)
Denver to Rocky Mountain NP (2 nights) to Great Sand Dunes (1 night) to Mesa Verde (2 nights) to Moab/Arches/Canyonlands (2 nights) to Zion NP, Utah (2 nights, 470km) to Bryce Canyon (1 night, 90km) to Las Vegas (2 nights, 270km) to Grand Canyon South Rim (2 nights, 450km) to Albuquerque via US-89/I-40 (480km) to Santa Fe (2 nights, 100km) to return to Denver via I-25 (450km)

Rocky Mountain to Pacific Northwest (4,000km+, 21+ days)
Denver to Rocky Mountain NP (2 nights) to Wyoming (Cheyenne, 1 night) to Yellowstone (3 nights, 900km) to Grand Teton (2 nights, 100km) to Salt Lake City (2 nights, 500km) to Boise (1 night, 550km) to Portland (1 night, 700km) to Seattle (1 night, 280km) or one-way drop-off

Most travelers find 7-10 days ideal for Denver plus 2-3 major destinations (Rocky Mountain NP plus Moab plus Mesa Verde, or the full Colorado mountain loop).

Fuel Stations

• Conoco/Phillips 66 - Colorado's home state brand, widespread throughout Denver and state, reliable diesel
• Sinclair - Common in Rocky Mountain states, green dinosaur logo, diesel available at most locations, good rural coverage on US-285 and I-70
• Chevron/Shell - Major metro area coverage, reliable diesel
• King Soopers (Kroger) - Colorado supermarket chain with fuel stations, fuel rewards linked to grocery purchases, $0.10-0.30/gallon savings with points, multiple Denver area locations
• Costco - Cheapest fuel (members only), $0.20-0.40/gallon less. Denver area locations: Denver (Colorado Blvd), Thornton, Aurora, Lakewood, Centennial.

Average diesel price: $3.80-4.40/gallon (Denver area, lower than California, resort towns $0.30-0.60 premium)

Colorado fuel notes:

• Denver and Front Range well-served, no range anxiety
• I-70 mountain corridor: fuel up in Denver or Idaho Springs (50km west) before heading into mountains—Vail and Aspen stations $0.40-0.60/gallon premium
• US-285 south toward Great Sand Dunes: fill up in Salida (180km from Denver) before continuing—sparse beyond
• Moab (Utah) has good fuel availability; fill up in Moab before heading into Canyonlands or Arches
• Navajo Nation (US-160 corridor toward Four Corners): limited stations, fill up in Cortez or Durango before heading south

Propane Refill Stations

• U-Haul locations - Multiple Denver metro locations (Denver, Aurora, Lakewood, Thornton, Westminster), $3-4/gallon propane, open 7 days, RV-accessible, best option for propane refills before heading to mountains
• AmeriGas - Various Denver and Colorado Springs locations, propane specialists, commercial-grade service
• Costco - Select Denver area locations (confirm propane availability by phone), members only, cheapest rates
• Camping World - Denver location (Commerce City, 20km northeast), full RV supply store with propane, open 7 days
• Ferrellgas - Widespread in rural Colorado, good option for mid-trip refills in smaller towns (Salida, Montrose, Grand Junction, Durango)

Propane notes: Critical for RV travel in Colorado, powers fridge, stove, and heating, which is essential at altitude where nights drop below freezing even in summer (Rocky Mountain NP at 2,600m sees temperatures near 0°C in July nights). National parks have no propane. Refill in Denver, Colorado Springs, Grand Junction, or Durango for canyon country trips. Typical RV tank 20-30 gallons, costs $60-120 to fill from empty.

Dump Stations

• Barr Lake State Park - Brighton (30km northeast) | $5, open year-round, convenient for northeast Denver departures
• Cherry Creek State Park - Aurora (20km southeast) | $5, central suburban location, open year-round
• Flying J/Pilot Travel Centers - I-70 at Limon (140km east), I-25 at Pueblo (170km south) | $12-15, 24-hour
• Rocky Mountain National Park - Moraine Park and Glacier Basin campgrounds | $5-10, campers or day-use fee
• Colorado State Parks - Most allow non-guest dumps $5-10. Chatfield State Park (Denver suburb) and Cherry Creek State Park convenient.

Helpful Apps

• Park4Night - Free camping spots, campgrounds, reviews, works well throughout Colorado
• iOverlander - BLM and National Forest dispersed camping (extensively documented in Colorado, excellent resource)
• Hipcamp - Private land camping, ranches, unique Colorado stays
• Roadtrippers - Route planning with 14er trailheads, scenic byways, and attractions along route
• NPS (National Park Service) app - Download offline maps before visiting Rocky Mountain, Great Sand Dunes, Mesa Verde, Black Canyon, and Arches/Canyonlands, no cell service in most areas of all these parks
• Recreation.gov - Federal campground bookings and timed entry permits (Rocky Mountain NP timed entry, Arches timed entry, Mesa Verde tours), essential for Colorado trip planning
• GasBuddy - Real-time fuel prices, especially useful for comparing resort town vs highway prices
• Colorado Road Conditions (CDOT app) - Real-time road conditions, I-70 closures, mountain pass chain requirements, incident alerts

Requirements

• Minimum age: 21
• Valid driver's license (international license accepted)
• Credit card for deposit ($1,500-3,500)

What's Included

• Unlimited mileage (critical for Rocky Mountain West—parks and attractions widely spread)
• Kitchen kit (pots, pans, utensils, cookware) and cleaning kit
• Basic protection plan
• 24/7 roadside assistance

Seasonal Considerations

• March-May: Lower elevation destinations (Colorado Springs, Great Sand Dunes), mountain roads opening late May, shoulder pricing, Bluegrass Festival (June)
• June-August: Peak season, all roads open, Rainier-style wildflower meadows (July-August), afternoon storms above treeline, book campgrounds 3-5 months ahead, Red Rocks concerts, rafting
• September-October: Best season, aspen fall colors, elk rut, fewer crowds, Great American Beer Festival (October), all high roads still open in September
  November-February: Off-peak, ski towns at premium, other areas cheapest of year, chains required for mountain driving

Speed Limits

• Freeways: 65-75 mph (105-120 mph) on plains sections, 55-65 mph in mountains
• Rural highways: 55-65 mph (90-105 mph)
• Urban streets: 25-35 mph
• School zones: 20 mph (flashing lights when children present)

Colorado State Patrol (CSP) active. Speeding tickets $100-500+. Construction zone fines doubled. Photo radar used in some mountain towns (Georgetown, Idaho Springs).

Road Conditions

Excellent: I-25, I-70 plains sections, US-85 well-maintained year-round.
Seasonal challenges: I-70 mountain corridor (closures for storms, accidents, Glenwood Canyon rockfalls/flooding), Independence Pass (closed November-May, no RVs over 30ft), Million Dollar Highway (narrow, steep, no guardrails, demands full concentration).
Mountain grades: Steep descents on multiple I-70 exits (Eisenhower Tunnel east approach, Vail Pass eastbound). Use low gear—engine braking preferred over riding brakes. Runaway truck ramps present on major grades.

Driving Culture

Lane discipline: Colorado drivers generally courteous on rural roads, more aggressive in Denver metro. Right lane for slower traffic.
Wildlife crossings: Watch for deer, elk, and pronghorn crossing, especially on US-285, US-36, and mountain highways at dawn and dusk. Elk can weigh 450kg—collisions are serious.
Roundabouts: Increasingly common in Colorado mountain towns (Vail, Steamboat Springs). Yield to vehicles already in roundabout.
Pedestrians: Denver and Boulder have strong pedestrian right-of-way culture—yield at crosswalks.

Alcohol Limit

0.08% BAC (0.00% for under 21). DUI fines $1,000-10,000+. Marijuana is legal in Colorado, cannabis DUI laws apply. Never drive impaired.

RV-Specific

Height: Know your height (typically 9-11 feet). Eisenhower Tunnel clearance 14'6" RVs generally fine. Some older mountain town streets and historic district parking garages have lower clearances.
Length: Know your length. Independence Pass, Million Dollar Highway, and some Rocky Mountain NP roads restrict RVs over 9m (30ft) due to tight switchbacks. Check before planning route.
Propane: Turn off when entering Eisenhower/Johnson Tunnels (I-70), tunnel policy. Turn off when refueling. Cold nights mean propane consumption increases significantly at altitude.
Mountain driving: Use low gears on all major downgrades (Vail Pass, Loveland Pass, Wolf Creek Pass). Never ride brakes—overheating on long mountain descents. Pull over and let brakes cool if they smell hot. Runaway truck ramps are emergency measures, use early grades carefully.
Altitude impact on RV: Diesel engines lose 5-15% power at altitude. Allow longer acceleration and passing distances on mountain roads. Water boils at 90°C at 3,000m, some cooking adjustments needed (pasta takes longer, bread rises more).

RV rental: $850-1,800 (varies by season/vehicle size)
Fuel: $260-420 (diesel $3.80-4.40/gallon, 600-800 miles typical week, 8-12 mpg at altitude = 50-100 gallons)
Propane: $40-80 (higher consumption at altitude due to cold nights)
Tolls: $5-15 (minimal in Colorado—SR-520 equivalent does not exist, mostly toll-free)
National and State Park entry: $80-120 (America the Beautiful Pass $80 covers all, or individual entries $35/vehicle national park, $10/day state parks)
National Park timed entry permits: $0-15 (Rocky Mountain NP timed entry free, Arches timed entry $2, Hanging Lake $12)
Campgrounds: $154-280 ($22-40/night x 7, Colorado parks very reasonable compared to coastal states)
Food: $250-500 (groceries vs restaurants, Denver restaurants $25-45/person, mountain resort towns $35-60/person)
Activities: $150-450 (whitewater rafting $70-120, Red Rocks concerts $30-150, 14er gear/permits, cave tours $25-35, gondola rides $30-40)
Rafting/activities: $70-200 (Arkansas River half-day, $70-90)

Total estimates:

Budget: $1,800 (smaller RV, cook all meals, national forest dispersed camping (free BLM/USFS), America the Beautiful Pass, hiking and free activities)
Mid-range: $3,100 (mid-size RV, mix cooking and restaurants, national park and state park campgrounds, major attractions, one rafting trip, Red Rocks concert)
Premium: $4,600 (larger RV, frequent dining out including resort towns, full hookup campgrounds, all attractions, guided tours, concerts, ski day in winter)

Colorado offers exceptional value compared to California—campgrounds $22-40/night versus $65-155 in coastal California. The America the Beautiful Annual Pass ($80) is essential and pays for itself quickly when visiting multiple national parks.

Denver to Las Vegas (1,120km, 11 hours via I-70/US-6/I-15 or US-50/US-89, allow 5-7 days via canyon country) - Utah's national parks (Arches, Canyonlands, Zion, Bryce Canyon), Nevada desert
Denver to Salt Lake City (740km, 7 hours via I-70/I-15 or US-40, allow 3-5 days via Utah canyon country) - Utah national parks gateway, Bonneville Salt Flats, Great Salt Lake
Denver to Phoenix (1,200km, 11 hours via I-25/I-40/I-17, allow 5-7 days) - New Mexico, Arizona, Grand Canyon South Rim, Sedona
Denver to Seattle (2,100km, 20+ hours via I-25/I-90, allow 10-14 days) - Wyoming, Yellowstone, Grand Teton, Montana, Idaho, Pacific Northwest
Denver to Los Angeles (1,600km, 16 hours via I-70/US-6/I-15, allow 7-10 days via canyon country and Las Vegas) - Utah, Nevada, Southern California
Denver to Bozeman (990km, 10 hours via I-25/US-26/I-90, allow 4-6 days) - Wyoming, Yellowstone National Park, Grand Teton, Montana Rockies
Denver to Chicago (2,300km, 22+ hours via I-76/I-80, allow 10-14 days) - Nebraska Sandhills, Iowa, Great Plains road trip

One-way fees vary. Confirm availability when booking.

Denver is the highest major city in the United States and sits at the foot of the most accessible mountain wilderness on the continent. Rocky Mountain National Park is 1.5 hours away. Trail Ridge Road, the highest continuous paved highway in the US, is within easy reach. The aspen groves turn gold in September in a display that rivals any fall color destination in North America. And within a 6-hour drive, you have access to nine national parks: Rocky Mountain, Great Sand Dunes, Mesa Verde, Black Canyon of the Gunnison, Arches, Canyonlands, Capitol Reef, Bryce Canyon, and Zion.

Add world-class festivals (Red Rocks concerts, Great American Beer Festival, Telluride Film Festival), major league sports across four leagues, and some of the country's finest outdoor recreation, and Denver delivers a road trip experience that combines genuine wilderness with a thriving urban culture. Unlimited mileage and one-way rentals to Las Vegas, Salt Lake City, or Seattle open routes through the Colorado Plateau, the Utah canyon country, and beyond.

Over 15,000 travelers rented RVs from Denver last year, with September the single most popular month for aspen fall colors and elk rut in Rocky Mountain National Park. Find your RV and start planning your Rocky Mountain adventure.