Black Butte, el. is the highest peak in the Gravelly Range in

Madison County, Montana Madison County is a county in the U.S. state of Montana. As of the 2020 census, the population was 8,623. Its county seat is Virginia City. The county was founded in 1865; at the time it was part of the Montana Territory. Geography According t ...

. The eastern base of the peak is less than from the Beaverhead-Deerlodge National Forest road #290 (Gravelly Range Road).

Geology

Black Butte is a remnant of what was once a

volcanic cone Volcanic cones are among the simplest volcanic landforms. They are built by ejecta from a volcanic vent, piling up around the vent in the shape of a cone with a central crater. Volcanic cones are of different types, depending upon the nature and ...

. https://www.onthewingphotography.com/wings/2016/07/21/black-butte-of-the-gravelly-range-montana/#:~:text=The%20highest%20peak%20of%20the%20Gravelly%20Range%20is,volcanic%20cone%2C%20at%20an%20elevation%20of%2010%2C542%20feet. Due to its height, it is probably the third-highest volcanic peak in Montana, the second and first-highest being the laccoliths Lone Mountain and Koch Peak.

Notes

{{reflist Mountains of Madison County, Montana Mountains of Montana Volcanoes of the United States

Geology

See also

Notes