Lost River Expedition
ElevationAscent: 11,172' 3,405 m
Descent: -11,174' -3,406 m
High: 10,461' 3,189 m
Low: 6,967' 2,123 m
GradeAvg Grade: 6% (3°)
Max Grade: 51% (27°)
Current trail conditions
Popular rides nearby
Snowbank Trail Loop
24.1 mi 38.8 km • Loop • 4,744 ft Ascent 1445.86 m Ascent
Singletrack Challis, ID( 3 )
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“A big bikepacking epic out in the middle of nowhere.”— Chris Wandervans
You'll work through a number of drainages before coming to the East Fork Upper Pahsimeroi drainage and eventually the trail itself. The trail is rideable for a ways until it becomes steep and then you'll be off your bike as you go up and over the pass in the Dry Creek drainage. Down the Dry Creek drainage, you'll go to the Swauger Lake Trail. This will then climb you back into the mountains and over the ridge. You'll then descend into the Long Lost drainage and climb up to your next pass where you'll then descend. Drop off this steep pass on the Long Lost-Wet Creek trail and will follow this back to your car.
This ride starts near the Pass Creek Rd so it is easier to access than having to drive the long way around Arco. You can certainly access this ride at any point, but this is the most reasonable location. There is also some car camping near the start so that way you can get an early start in the morning.
This ride is best done in July or early August and you'll need to beware of thunderstorms. Since a lot of the ride is above treeline, you can be very exposed if something comes in over the mountains. Most of the storms will be coming from the west, so it is best to keep a keen eye pointed in that direction.
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Features, E-Bikes Allowed, History & Background
Local Club: Wood River Bicycle Coalition
Oct 12, 2012: Comment on Sun Valley Gets “Epic Ride Center” Designation from International Mountain Bike Association by Sun Valley Gets “Epic Ride Center” Designation from International … | Bicycle News Gator
Land Manager: USFS - Salmon-Challis National Forest Office
Jul 12, 2019: SHADY FIRE UPDATE (7/13/19)
Jul 11, 2019: FIRE UPDATE 7/12/19
Jul 11, 2019: SHADY FIRE UPDATE (7/12/19)