The Grand Mountains, also known as the Teton Range, are a mountain range located in the western United States, in the states of Wyoming and Idaho. The range is composed of a series of peaks, the highest of which is the Grand Teton at 13, 775 feet (4, 199 m). The range is part of the Rocky Mountains and is home to some of the most spectacular scenery in the United States. The range is popular for its hiking, camping, and skiing opportunities.