Both dam and reservoir are located in Ross Lake National Recreation Area , is bordered on both sides by Stephen Mather Wilderness .
Both dam and reservoir are combined with Lake Chelan National Recreation Area they make up North Cascades National Park Complex .
Both dam and reservoir are located in Ross Lake National Recreation Area , is bordered on both sides by Stephen Mather Wilderness and combined with Lake Chelan National Recreation Area they make up North Cascades National Park Complex .