Rock Creek

Rock Creek is a tributary of the Palouse River in the U.S. state of Washington. The source of the creek is Pine Lakes in the Turnbull National Wildlife Refuge (TNWR). The creek flows through the TNWR and ultimately joins the Palouse River downstream from the unincorporated town of Winona, Washington. Rock Creek drains a basin of , 13 percent of the Palouse River basin. Rock Creek drains Rock Lake and, upstream from that, Bonnie Lake. Rock Lake has a maximum depth of and a mean depth of . Lakes within the Rock Creek drainage with managed fisheries include Rock and Bonnie Lakes, and Chapman Lake. Many small lakes in the drainage have no outlets, and some evaporate completely in dry weather.