The prominent 14,269-foot (4349.21 m) fourteener is located in San Isabel National Forest, 12.2 miles (19.6 km) southwest by south (bearing 208°) of the Town of Buena Vista in Chaffee County, Colorado, United States.

[6] Mount Antero is prized for its gemstone deposits and has one of the highest concentrations of aquamarine in the country.

Mount Antero is one of the most prominent peaks of the Sawatch Range, rising an impressive 7,200 feet above the town of Salida, Colorado to the southeast.

The other route, which begins near the ghost town of St. Elmo, follows the same forest road from the north up Baldwin Creek.

A forest service sign at the Browns Creek trailhead commemorates the expedition camp at the eastern base of the peak.