Henderson-Thompson (FR 352) — Plains/Thompson Falls in MT -- Free Camping & Overnight Parking in Montana

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Henderson-Thompson (FR 352) — Plains/Thompson Falls in MT

Lolo NF, Plains/Thompson Falls Ranger District
3,185 ft
Maps
Overnight camping allowedRUTTED
VerizonMARGINAL
AT&TNONE
T-MobileWEAK
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A 17.6-mile stretch of graded dirt National Forest road in Mineral County, MT. The road serves Clark Mountain. The road is open seasonally, May 16 to October 14.

Lolo National Forest, Plains/Thompson Falls Ranger District records no overnight restriction here.

7.2 of the 17.6 miles in are maintained only for high-clearance vehicles. Mostly graded dirt, with 7.5 miles of dirt. Stretches run along a shelf with a drop of up to ~140 ft on the downhill side. Winds through 26 switchbacks. Dead-end road -- no mapped turnaround; expect to back out or unhitch.

Clark Mountain stands 1,864 ft above the site, 1.9 miles northeast. Knox Creek runs 0.1 mi off. Travellers have camped along here. The nearest town, Thompson Falls, is 5.1 mi off.

September normals 45–72°F, 1.3″ rain. Monthly averages, PRISM 1991–2020.

Nearby Spots
Diamond Lake Campground in MTCampground27.2miMink Creek (FR 7829) in MTForest Road Road31.6miOregon Creek (FR 7865) in MTForest Road Road31.8miThompson Peak (FR 7863) in MTForest Road Road32.4miLower Upham (FR 16920) in MTDispersed Camping32.5mi
Fire restrictions

Set by Lolo National Forest, Plains/Thompson Falls Ranger District. Stage 1 and 2 orders change within days -- check the current order before you build a fire.

fs.usda.gov
Sources checked August 2026Something wrong here?