Mores Creek Summit is a mountain pass in the western United States in southwest Idaho, at an elevation of 6118 ft above sea level. Traversed by State Highway 21, the Ponderosa Pine Scenic Byway, it is located in Boise County in the Boise National Forest. Mores Creek Summit marks the divide between the Boise River (north fork) and Payette River (south fork) drainage areas. The summit is northeast of Idaho City and southwest of Lowman. Mores Creek is a tributary of the Boise River.