Cupalo Rock is a 6,593-foot (2,010 m) summit located in Yakima County in Washington state.

[1] Access for climbing Cupalo Rock is normally from the Pacific Crest Trail at Sourdough Gap.

Cupalo Rock is located in the marine west coast climate zone of western North America.

[3] Weather fronts originating in the Pacific Ocean travel northeast toward the Cascade Mountains.

As a result, the west side of the Cascades experiences high precipitation, especially during the winter months in the form of snowfall.