Jerry Johnson Hot Springs
Powell area, Lochsa River (US 12, milepost 152) · Nez Perce-Clearwater National Forests, Idaho side of Lolo Pass
Just over Lolo Pass on the Idaho side, Jerry Johnson is a forest soak you walk to from the Warm Springs Trailhead at milepost 152 on US 12, beside the Lochsa Wild and Scenic River. The rules decide the visit. It's day use only, 6am to 8pm, with no overnight camping at the springs, and officers patrol and write citations outside those hours. If you want to stay, Jerry Johnson Campground nearby has 20 sites with no fee and no water, open June 6 to October 31. The trail length isn't published, so leave daylight for the walk back. Lolo, Montana is about an hour away.
From Nez Perce-Clearwater National Forests, last checked 19 September 2026. A few details here came secondhand, so it's worth a call before you go.