TrailAvalanche Peak Trailhead 5N2
4.5-mile out-and-back; 2,100 ft gain. Relentless climb with a true summit payoff.

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.
Easy
Direct access to Madison River with opportunities for wildlife viewing
• 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.
Summer and Fall
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.
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.
No permits required
Not applicable
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.
Flat terrain suitable for hand-cycles with mountain bike tires. Surface is deteriorating asphalt, creating handling challenges. NPS notes hand-cycle accessibility.
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.
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.
" 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."
Yes. Black and grizzly bears are active here year-round. Make noise constantly, carry bear spray, and travel in groups. Never ride alone.
Depends on the kid. Flat and short, yes. But they need strong bike skills and must understand bear danger. Close supervision mandatory.
Mountain bikes are recommended. The gravel and deteriorating surface will flat a road bike quickly.
No, unless it's a service dog. But NPS warns service animals increase wildlife confrontation risk.
Zero elevation gain, so easy physically. The challenge is heat management and staying alert for bears.
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