Black Rock Lake   Be the first to submit input for Black Rock Lake. If you have info on Black Rock Lake, Grant County, Washington please submit it here to improve this web site.          These outdoors activities are available near Black Rock Lake.   Public Lands Near Black Rock Lake: Summer Falls State Park, Washington, 18 miles away Moses Lake State Park, Washington, 21 miles away Sun Lakes State Park, Washington, 25 miles away   Marinas On or Near Black Rock Lake: Cascade Marina, Moses Lake, 19 miles away   Hotels Near Black Rock Lake: Ramada Moses Lake, Moses Lake, 16 miles away Holiday Inn Express Hotel & Suites MOSES LAKE, Moses Lake, 16 miles away Comfort Suites Moses Lake, Moses Lake, 16 miles away AmeriStay Inn & Suites, Moses Lake, 17 miles away Heritage Suites, Moses Lake, 17 miles away