Trail
Riverside Bike Trail
A short, flat bike ride along a deteriorating road to Madison River access. Grizzly and black bears frequent this area—make noise and carry spray. The 1.4-mile route is suitable for mountain bikes and takes 1-2 hours round-trip. Plan to arrive early before afternoon heat.
Quick facts
- Distance Miles
- 1.4
- Route Type
- Out-and-back
- Difficulty Level
- Easy
- Elevation Gain Feet
- 0
Trail profile
- Distance Miles
- 1.4
- Route Type
- Out-and-back
- Difficulty Level
- Easy
- Elevation Gain Feet
- 0
- Estimated Time
- 1-2 hours
- Trail Surface
- Deteriorating asphalt and gravel road
- Trail Features
- Madison River access
- Level terrain
- Meadow landscape
- Trail Highlights
- Direct access to Madison River with opportunities for wildlife viewing
Trailhead & access
- Trailhead Location
- Just north of the main Grand Loop Road near West Entrance
- Shuttle Required
- 0
Permits & conditions
- Permit Details
- No permits required
- Fees
- $35 — Entrance - Private Vehicle (valid 7 consecutive days). No additional trail fees.
- Trail Status
- Open (seasonal)
- Seasonal Closures
- Typically closed November through mid-April when West Entrance roads are closed to wheeled traffic. Winter access may be available via snowmobile or snowcoach.
Facilities & rules
- Restrooms At Trailhead
- 0
- Water Sources
- Madison River accessible at trail end. Water must be filtered or purified. Carry adequate water from outside the park—no reliable sources at trailhead.
- Accessibility
- Flat terrain suitable for hand-cycles with mountain bike tires. Surface is deteriorating asphalt, creating handling challenges. NPS notes hand-cycle accessibility.
Safety & strategy
- Hazards
- Grizzly bears
- Black bears
- Deteriorating road surface
- Heat exposure
- Traffic noise from main road
- Hazard Details
- Black and grizzly bears active in this area. Surface is deteriorating asphalt with loose gravel sections, creating puncture and handling risks. Limited shade and water make heat exhaustion a real threat.
- Crowd Level
- Light to moderate
- Peak Crowd Times
- Summer weekends and July–August
- Best Season
- Summer and Fall
- Best Time To Visit
- Summer and fall (June–October) when park roads are open. Arrive by 9 AM to beat afternoon heat and traffic. Mid-week mornings offer fewer crowds and better wildlife spotting.
- Tips Advice
- Carry minimum 2L water—no reliable sources until the river.
- Mountain bikes only; road bikes will struggle on gravel.
- Bring bear spray and make noise constantly.
- Start before 9 AM to avoid afternoon sun.
- Check West Entrance road conditions before visiting.
More details
- Park Area
- West Entrance of Yellowstone National Park
- Trail Markers
- Trail is well-marked as part of the park's main trail system near West Entrance.
- Dogs Allowed
- No. Service dogs permitted in backcountry only, but NPS notes increased risk of wildlife confrontations with service animals present.
- Biking Allowed
- Yes. Mountain bikes recommended on gravel and deteriorating asphalt sections.
- Shade Level
- Exposed. Trail parallels the main road with minimal tree cover. Sun protection essential in summer.
- Map Recommended
- 1
- Snow Dates
- November through mid-April. Heavy snow typically closes West Entrance wheeled-vehicle access mid-November; check NPS road status before visiting.
- Mud Season
- April–May during spring snowmelt—trail may be muddy or inaccessible.
- Fall Colors Peak
- September to early October
- Bug Season
- June–August, particularly July when mosquitoes are heaviest.
- Insider Tips
- The trail parallels the main road—traffic noise is constant, not a wilderness experience.
- Best conditions on weekday mornings when traffic is lightest.
- River access points are unmarked; explore the terminus carefully.
- Deteriorating surface means watch your line—puncture-proof tires recommended.
- Family Friendly Notes
- Flat and short enough for families with confident young riders. However, close adult supervision required due to bear presence and road traffic noise. Children must understand bear safety protocols.
- Review Summary
- Riders appreciate the flat, accessible route and river views. The deteriorating surface and constant bear warnings keep expectations realistic. Most report the 1-2 hour time estimate is accurate for a casual pace.
Frequently asked questions
Are bears really a threat on a 1.4-mile trail?
Yes. Black and grizzly bears are active here year-round. Make noise constantly, carry bear spray, and travel in groups. Never ride alone.
Is this suitable for kids?
Depends on the kid. Flat and short, yes. But they need strong bike skills and must understand bear danger. Close supervision mandatory.
What kind of bike do I need?
Mountain bikes are recommended. The gravel and deteriorating surface will flat a road bike quickly.
Can I bring my dog?
No, unless it's a service dog. But NPS warns service animals increase wildlife confrontation risk.
How hard is the ride?
Zero elevation gain, so easy physically. The challenge is heat management and staying alert for bears.
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Purple Mountain Trailhead
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Wraith Falls Trailhead
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Sources
- National Park Service
- YourNPGuide Editorial
Editorial review: YourNPGuide Editorial Team. Information is compiled from official sources, verified traveler reviews, and editorial research; no firsthand visit is implied unless explicitly documented. Learn how YourNPGuide works.
Last updated June 2026. Report an issue.










