The Joseph T. Fallini Campground is the only recreational site in Challis that offers full RV hookups and features a diversity of other facilities. This scenic area has a gorgeous view of the Lost River Range and offers recreational opportunities such as boating in the summer and ice fishing in late winter. There are 26 camp sites, an RV hook ups and dump station, restrooms, drinking water, boat ramp and interpretive trail. Mackay Reservoir offers a boat ramp providing access to the reservoir for jet skiing, water skiing and sailing . Other boat launches along the reservoir (and one downstream of the dam) are also available.

North of Mackay, Idaho and south of Challis, Idaho. Travel north from Mackay on Highway 93 for approximately 6 miles. The site is on the west side of the highway and has a view of the spectacular Mt. McCaleb in the Lost River Range.