It isn't clear whether San Juan County is named for a Spanish explorer or the San Juan River. Thirty-nine of Utah's highest peaks are located in Summit County . Wasatch County is named from a Lite Indian word meaning mountain pass or low place in the high mountains. Juab County is derived from an Indian word meaning thirsty valley or valley. Salt Lake County was named for its nearness to the Great Salt Lake.
Weber County is named after the Weber Basin area.
Sanpete County may be named for a Ute chief named San Pitch. Though its origin is also unknown, many believe that Tooele County is named for an Indian chief named Tuilla. Uintah County is named for the Ute tribe that lives in the basin. Utah County is apparently an anglicized form of the word Yuta, which is what the Spanish Explores called the Ute Indians. Piute County was named for the Piute Indians.