Nevada State Route 317 follows Rainbow Canyon south along the northeast margin of the range between Caliente and Elgin.

[2][3] The range's crest forms part of the Great Basin Divide between the Meadow Watershed and the Dry Lake Watershed, which includes Delamar Dry Lake and the old mining townsite of Delamar.

The Delamar Mountains Wilderness covers 111,066 acres in the southern portion of the range and was established in 2004.

The wilderness contains a multitude of peaks and hills connected by a network of washes, draws, and canyons.

Two periods of silicic volcanism occurred during the Cenozoic producing multiple layers of ash flow tuff.