Aspen Mountain is a long mountain located approximately 12 miles (19 km) south of Rock Springs, Wyoming and 5.5 miles (8.9 km) south of Arrowhead Springs, in Sweetwater County.
Its primary use is for radio communications and it houses towers for various local and state companies.
It is part of the Rock Springs Uplift, and is composed of Miocene deposits.
The roads are usually in good condition year round, weather permitting.
Travel is still possible during winter months, but a four-wheel drive vehicle is recommended.