Teton, << TEE ton, >> Range is a rugged group of Rocky Mountain peaks south of Yellowstone National Park in western Wyoming. The highest peak is Grand Teton (13,770 feet, or 4,197 meters). The range is 40 miles (64 kilometers) long and 10 to 15 miles (16 to 24 kilometers) wide. It forms part of Grand Teton National Park.
