The Timpanogos (Timpanog, Utahs or Utah Indians) were a tribe of Native Americans who inhabited a large part of central Utah, in particular, the area from Utah Lake east to the Uinta Mountains and south into present-day Sanpete County. Most Timpanogos live on the Uintah Valley Reservation. They are enrolled in the Ute Indian Tribe of the Uintah and Ouray Reservation. During the mid-19th century, when Mormon pioneers entered Utah territory, the Timpanogos were one of the principal tribes in the region based on population, area occupied, and influence.