Dyke is an unincorporated community in Greene County, Virginia, United States. It is located along Virginia Secondary State Route 810. In 2020, the small store in Dyke was replaced with a larger one and a gas station. It is located near Saint George, Virginia and The Blue Ridge School. Estes Farm was added to the National Register of Historic Places in 2006. Binghams United Methodist Church, formerly known as Austin's Meeting House, established in 1796, is on the north side of the Lynch River.