Allison Ranch Campsite is a non-reservable campground located at river mile 33. 5 on the Wild Main Salmon River in Idaho County, with a capacity of 30 people at low water and 10 people at high water.

This right-bank site serves as a camping option for floaters on the 79-mile Wild and Scenic section of the Main Salmon River, which requires a permit year-round to access.

The campsite is situated within the Frank Church – River of No Return Wilderness area and is subject to all Forest Service regulations regarding fire management, waste disposal, and wilderness use.