The American Fork is a river in Utah County, Utah, United States. The river rises at the head of American Fork Canyon in the Wasatch Mountains about 35 miles southeast of Salt Lake City. The unnamed stream, which is the source of the American Fork, flows from Mineral Basin, through the length of the American Fork Canyon and has several named tributari…The American Fork is a river in Utah County, Utah, United States. The river rises at the head of American Fork Canyon in the Wasatch Mountains about 35 miles southeast of Salt Lake City. The unnamed stream, which is the source of the American Fork, flows from Mineral Basin, through the length of the American Fork Canyon and has several named tributaries. The river runs through northern Utah County and empties into Utah Lake on its north shore.