Rockvale, Montana
Rockvale is an unincorporated community in Carbon County, Montana, United States. It is currently the site of a bar and casino, and some homes. Little remains of the original town site except the nearby cemetery. It at the intersection of U.S. Route 212 and Montana Secondary Highway 310. Rock Creek runs south of town. History. Rockvale's post office was established on May 12, 1894, with Orren Clawson as its first postmaster. The post office closed on April 30, 1914.