USFS · Campground · Dispersed · Free
This is a large dispersed camping area along the Snake River in Hells Canyon. There are no formal parking or camping units. The camping area is used by both tent campers and RVs. Few amenities exist. There is one outhouse and informational sign near the entrance. Allison Creek Trailhead is across the Hells Canyon Road with access to Allison Creek Trail (#514).
From the USFS.
Yes. Big Bar Camping Area is free to use. It is managed by the USFS. It is a dispersed area, so there are no hookups, no water and no trash service unless a report below says otherwise.
From Cambridge take Highway 71 down to the Snake River, approximately 26 miles. Then continue on Highway 71 another 30 miles to the entrance of the camping area.
SourceData from the USFS. Last synced September 18, 2026. Community reports and photos are submitted by travelers and are not verified by the agency.