7.6 mi of trail, end to end · about 1,100 ft of climbing · 9,674 ft–10,592 ft · native material surface · trail No. PST 29 · trail class 3 · typical grade 12-20% · tread 18-24 inches wide · hiking, bike, motorcycle, atv, e-bike · motorized use allowed
TrailheadsSKYLINE-BIG FLAT TRAILHEAD 10,220 ft Drive there · TIMID SPRINGS TRAILHEAD 10,281 ft Drive there
TIMID SPRINGS TRAILHEAD the Forest Service's write-up
season June to
Trailhead. This trailhead is located in the middle of PST 29, north of the Big Flat dispersed camping area. The trailhead is open to four wheel drive vehicles, ATV's, horses, and foot travel. The greatest number of users are ATV riders.
Restrictions Motor vehicles restricted to designated routes.
The lines are the US Forest Service's National Forest System trails layer (public domain), read 2026-10-16 and simplified for the map; the length is the line's, end to end, and the class, surface, grade and tread width are the forest's own entries where it publishes them - a forest that publishes the centreline alone has none. The trailheads and the points along the way are the Service's recreation points, and the write-ups its own recarea text, unedited. Heights come from USGS 3DEP through Terrain Tiles on AWS (Mapzen/Tilezen), read along each line and rounded; a short trail on steep ground can be off by a few tens of feet. Closures change: check the forest's own site before you go.