sentences:  Grand Teton Council was formed as a result of a 1994 merger between Tendoy Area Council, headquartered in Pocatello, and Teton Peaks Council, headquartered in Idaho Falls.They serve over 22,000 Scouts and 12,000 leaders in eastern Idaho, western Wyoming, and southwestern Montana.Their main office is in Idaho Falls, with other offices in Pocatello, Blackfoot, and Rexburg.