Sams Valley is an unincorporated community in Jackson County, Oregon, United States, on Oregon Route 234 northeast of Gold Hill, in the Medford area.Originally named "Moonville", the community takes its name from a valley that was named after Chief Sam of the Rogue River tribe of Native Americans. Sams Valley post office ran from 1873 until 1953. Today residents consider the communities of Beagle, Antioch and Table Rock part of Sams Valley.