[3] The mountain itself is an "island," consisting of Precambrian quartzite projecting approximately 1,000 feet (300 m) above the surrounding wheat fields.
Later in its geological history, Kamiak Butte became part of a mountain range which was eventually nearly engulfed by the Cenozoic lava flows that covered most of Eastern Washington in a layer of basalt.
[3] The region's intensive wheat and lentil farming has made Kamiak Butte an important haven for indigenous plant and animal species.
A short "summit spur" leads to the mountain's highest point – a rocky promontory on the west side with an elevation of 3,641 feet (1,110 m).
Interpretive programs are offered in the spring and summer months; other amenities include an amphitheater, picnic tables, outdoor grills, covered shelters, restrooms, and a playground.