The Bonneville Salt Flats in Utah are a must-visit for anyone road-tripping through this other-worldly state. Located just 110 miles west of Salt Lake City, the salt flats are a super easy day trip from the capital. My friends and I visited the Bonneville Salt Flats as a day trip from SLC during a longer Utah road trip and even with all of the incredible and diverse landscapes that Utah has to.. The Bonneville Salt Flats are a densely packed salt pan in Tooele County in northwestern Utah, United States. A remnant of the Pleistocene Lake Bonneville, it is the largest of many salt flats west of the Great Salt Lake. It is public land managed by the Bureau of Land Management and is known for land speed records at the Bonneville Speedway.
Utah Salt Flats Overview The Utah Salt Flats, officially known as the Bonneville Salt Flats, are a unique natural wonder located in northwestern Utah. Stretching over 30,000 acres, this expansive plain is comprised of salt crust that results from the evaporation of water from ancient lakes. The flats are part of the larger Great Salt Lake Desert and serve as a significant attraction for both.. The Bonneville Salt Flats are one of Earth's most unique landforms. The salt flats are about 12 miles long and 5 miles wide and are comprised mostly of sodium chloride, or table salt. Located 120 miles west of Salt Lake City in Tooele County, Utah, the salt flats are a 30,000 acre expanse of hard, white salt crust on the western edge of the Great Salt Lake Basin in Utah. Like the Great Salt.