Precipitation runoff from this mountain drains into tributaries of Robinson and Buckeye Creeks, which are within the Walker River drainage basin.

Topographic relief is significant as the summit rises over 3,500 feet (1,100 meters) above Robinson Creek in approximately one mile (1.6 km).

Hunewill Peak is the toponym officially adopted in 1962 by the U.S. Board on Geographic Names to remember Napoleon Bonaparte "N.

Hunewill (1828–1908), a pioneer who operated the Eagle Creek Lumber Mill in this area in the 1860s and supplied timber to build the mining town of Bodie.

As fronts approach, they are forced upward by the peaks (orographic lift), causing moisture in the form of rain or snowfall to drop onto the range.