Kewa is located along New Perce Creek which flows into the Columbia River. Kewa is south of Meteor, Twin Lakes, Covada, and Inchelium. Gold Mountain lies to the west of Kewa and Cedonia across the Columbia River to the east. No communities are within the southern proximity of Kewa. The elevation of Kewa is 1,913 feet. The coordinates are at a latitude 48.201 and longitude -118.279.