Mount Hillers, Mountain summit in Garfield County, Utah, US.

Mount Hillers rises to approximately 10,741 feet within the Henry Mountains and displays exposed sandstone formations with varied geological structures. The exposed rock landscape defines the appearance of this summit.

The mountain was named by Almon Harris Thompson after John Karl Hillers, a government photographer who documented the Colorado River region. This naming honored his contributions to mapping this remote area.

The mountain is part of the Henry Mountains, where different elevations support distinct plant communities ranging from desert vegetation in lower areas to juniper and pine forests higher up.

Mount Hillers lies in Garfield County, Utah, in the Henry Mountains, with no town or settlement in the surrounding area. Spring and fall are the most favorable seasons to visit, as the climate is cold semi-arid with less than 250 mm of annual rainfall and light winter snowfall. The nearest higher summit, Mount Pennell, stands 11.2 km to the north.

Mount Hillers was named by Almon Harris Thompson for John Karl Hillers, a government photographer. Hillers documented the Colorado River region on survey expeditions, and the summit carries his name rather than that of a climber or geologist.