The Lakeside Mountains are about a 34 miles (55 km) long mountain range located on the southwest perimeter of the Great Salt Lake; the range is located in northeast Tooele County and south Box Elder County in Utah, United States. The range consists of a 13-mile (21 km) long north-trending section, and a southeast stretch composed of variable-height peaks and lower elevations, as well as a massif section containing the mountain range highpoint. The north section of the range terminus is at the community of , and the region lies on an eastern border of the Great Salt Lake Desert.