USFS · Campground · Fee
Potosi Campground located on the east side of the Tobacco Root Mountains with South Willow Creek running through the middle. There are 15 designated campsites, a picnic day-use area, vault toilets, and drinking water at this site. There are no garbage services, so pack it in and pack it out. We recommend trailer length does not exceed 22.
From the USFS.
No. Potosi Campground And Picnic Area charges a fee. It is managed by the USFS. Sites are reservable through fs.usda.gov.
From Harrison travel West on Pony Road for about 7 miles. At Pony, take South Willow Creek Road South for 10 miles. Follow the signs to the campground.
No other services within 50 mi on the record.
SourceData from the USFS. Last synced September 18, 2026. Community reports and photos are submitted by travelers and are not verified by the agency.