Gilpin Bay, looking west from near Eagle Island.Detail from a 1912 map of Upper Saranac LakeGilpin Bay is a half-mile deep bay on Upper Saranac Lake north of Prospect Point.  Located on its north shore are the boat launch for Eagle Island Camp; Camp CherokeeCamp Forestcraft; Camp Pinebrook; and beer heiress Isabel Ballantine's Moss Ledge camp.