Rocky Mountain National Park offers breathtaking cycling experiences with diverse terrain and stunning vistas. The National Park Service (NPS) provides guidelines for bicycling within the park, ensuring safety and preservation of natural resources. Cyclists can enjoy paved and dirt roads, adhering to specific regulations set by the NPS. This guide covers essential information for bicycling in Rocky Mountain National Park, including routes, regulations, and rental options.
What Are the NPS Regulations for Bicycling in Rocky Mountain National Park?

The National Park Service has established clear guidelines for bicycling in Rocky Mountain National Park:
- Bicycles are allowed on all roads open to motor vehicles, both paved and dirt, unless otherwise posted.
- Riding off-road or on trails is prohibited, except for a two-mile segment of the East Shore Trail near Grand Lake.
- Cyclists must ride single file at all times; riding abreast is not permitted.
- Riders should stay to the right side of the road and obey posted speed limits and all traffic laws and signs.
- During low visibility periods, cyclists must use a white light or reflector visible from at least 500 feet to the front and a red light or reflector visible from at least 200 feet to the rear.
- Groups exceeding 25 riders require a Special Use Permit.
Where Are the Best Biking Routes in Rocky Mountain National Park?

Rocky Mountain National Park offers several scenic routes for cyclists:
- Trail Ridge Road
- Length: 48 miles one way
- Elevation Gain: 4,170 feet
- Difficulty: Challenging
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Highlights: Crests at over 12,000 feet, scenic overlooks, subalpine and alpine environments
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Old Fall River Road
- Length: 44 miles one way
- Elevation Gain: 5,200 feet
- Difficulty: Challenging
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Highlights: Scenic views, mountain tops, and wildlife
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Estes Park Routes
- Fish Creek Loop (7 miles, easy to moderate)
- Devil’s Gulch Loop (11 miles, moderate to difficult)
- Deer Ridge Loop (varies, moderate to difficult)
- Glen Haven Loop (32 miles, challenging)
How Can Cyclists Rent Bicycles Near Rocky Mountain National Park?
While there are no bicycle rentals available inside the park, several options exist in nearby Estes Park:
Rental Location | Address | Contact | Bike Types |
---|---|---|---|
Estes Park Mountain Shop | 2050 Big Thompson Avenue, Estes Park, CO 80517 | (970) 586-6548 | Road bikes, mountain bikes |
New Venture Cycling – Bike Tours | 2050 Big Thompson Avenue, Estes Park, CO 80517 | (970) 231-2736 | Tour-specific bikes |
Lake Estes Marina | 1770 Big Thompson Avenue, Estes Park, CO 80517 | (970) 586-2011 | General bike rentals |
What Parking and Accessibility Options Are Available for Cyclists?
- Parking is available at various trailheads and visitor centers within the park.
- No designated bike parking facilities exist within the park itself.
- Cyclists can access the park without a timed entry permit but must pay an entry fee or show a valid National Park pass.
- Bike racks are available at visitor centers. If no rack is available, cyclists can secure their bikes to trees or other objects out of sight.
What Safety Precautions Should Cyclists Take in Rocky Mountain National Park?
- Always wear a helmet and appropriate safety gear.
- Carry plenty of water and snacks, as elevation and exertion can lead to dehydration.
- Be prepared for sudden weather changes by bringing layers of clothing.
- Use sunscreen and sunglasses to protect against high-altitude UV exposure.
- Carry a basic repair kit for flat tires or minor mechanical issues.
- Be aware of wildlife and maintain a safe distance.
- Inform someone of your planned route and expected return time.
How Can Cyclists Prepare for High-Altitude Biking in Rocky Mountain National Park?
- Acclimatize: Spend a day or two at lower elevations before attempting high-altitude rides.
- Start slow: Begin with shorter, less strenuous routes to gauge your body’s response to the altitude.
- Stay hydrated: Drink more water than usual to combat the effects of dry air and increased respiration.
- Eat frequently: Consume high-carbohydrate snacks to maintain energy levels.
- Listen to your body: If you experience symptoms of altitude sickness, descend to a lower elevation immediately.
- Use proper gearing: Ensure your bike has appropriate gearing for steep climbs at high altitudes.
What Are the Best Times of Year for Bicycling in Rocky Mountain National Park?
- Summer (June to August): Ideal weather, but crowded conditions.
- Fall (September to October): Cooler temperatures and beautiful fall colors, with fewer crowds.
- Spring (May to early June): Some roads may still be closed due to snow, but offers a chance to see wildflowers.
- Winter (November to April): Most roads are closed to bicycles due to snow and ice.
How Can Cyclists Minimize Their Environmental Impact in Rocky Mountain National Park?
- Stay on designated roads and avoid riding on trails or off-road areas.
- Pack out all trash and leave no trace.
- Respect wildlife by maintaining a safe distance and not feeding animals.
- Use biodegradable soaps and dispose of waste properly.
- Participate in park-sponsored clean-up events or volunteer programs.
Bicycling in Rocky Mountain National Park offers a unique way to experience the park’s natural beauty while adhering to NPS regulations. By following these guidelines and preparing adequately, cyclists can enjoy safe and memorable rides through one of America’s most spectacular national parks.
References:
1. https://www.rockymtnresorts.com/blog/everything-you-need-to-know-about-biking-in-rmnp/
2. https://www.nps.gov/romo/planyourvisit/rules_regulations.htm
3. https://npshistory.com/publications/romo/brochures/bicycling-2017.pdf