Four Corners is a small unincorporated town in Weston County, Wyoming, United States. It is located in the Black Hills of northeastern Wyoming, at the intersection of U.S. Route 85 and Wyoming Highway 585. It is located north of Newcastle, southeast of Sundance, and southwest of Lead, South Dakota. Originally a stage station on the famous stagecoach road Cheyenne Black Hills Stage Route connecting Cheyenne and the Union Pacific Railroad with the gold fields of Deadwood, it is today the site of a small store, bed-and-breakfast, and post office serving nearby ranches, vacation homes, and tourist camps. Camp Mallo and Russian Camp are nearby.