Milestone Mountain is a thirteener

Thirteener

In mountaineering in the United States, a thirteener is a mountain that exceeds above mean sea level, similar to the more familiar "fourteeners," which exceed...

 on the Great Western Divide

Great Western Divide

The Great Western Divide is a Sierra Nevada mountain range that forms part of the border between the Kings Canyon and Sequoia National Parks. The High Sierra Trail crosses the range at Kaweah Gap from Sequoia National Park.- References :...

, a sub-range of the Sierra Nevada. The summit marks a point on the boundary between Sequoia

Sequoia National Park

Sequoia National Park is a national park in the southern Sierra Nevada east of Visalia, California, in the United States. It was established on September 25, 1890. The park spans . Encompassing a vertical relief of nearly , the park contains among its natural resources the highest point in the...

 and Kings Canyon

Kings Canyon National Park

Kings Canyon National Park is a National Park in the southern Sierra Nevada, east of Fresno, California. The park was established in 1940 and covers...

 national parks. It is 0.6 mile (0.965604 km) south of Midway Mountain and 3.8 miles (6.1 km) northeast of Triple Divide Peak. It takes its name from the shape of the obelisk on its peak, and has been called this since at least 1873.