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The Ashton-Tetonia Trail officially opened in 2010 and extends nearly 30 miles between the towns of Ashton and Tetonia, Idaho. The trail occupies a former rail spur once operated by Union Pacific (the Oregon Short Line). The trail includes five bridges and restored rail trestles. The trail—a mix of gravel and dirt surfaces—is managed by State of Idaho Parks and Recreation and is open to snowmobiles in winter when there is enough snow to groom the trail.
Mountain bikers and hikers might want to go from Ashton to Tetonia so that you can enjoy views of the Teton Mountains; however, this is slightly uphill (800 feet elevation gain over the course of the trail).
There's a 1.4-mile detour off the main rail line in the France-Drummond area in Fremont County to skirt private property. Take County Road 4400 E. (gravel road at Rt. 32) north to County 700 N. (two-track dirt road) then head west to pick up the trail again. Note the snowmobile route takes a different detour in the France-Drummond area than non-motorized users.
The Ashton-Tetonia Trail is part of a larger trail network called the Greater Yellowstone Trail, which is being spearheaded by Wyoming Pathways. The developing 180-mile trail system will connect Jackson Hole, Wyoming, with West Yellowstone, Montana, via rail-trails traversing Victor, Driggs, Tetonia, Ashton, and Island Park.
Parking is available at the southern trailhead off Egbert Avenue in Tetonia.
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