Klock Site is an archaeological site located at Ephratah in Fulton County, New York. It is also known as Las. 8-4, New York State Office of Parks, Recreation, and Historic Preservation Unique Site No. A035-04-0005. It is one of three Mohawk Indian village sites excavated by archaeologist Robert E. Funk in 1969-1970. The site has been dated to 1540–1565. The National Register listing gives a size of 2.3 hectares (5.7 acres), but the actual village area has been estimated at 1.2 hectares (3.0 acres), containing the remains of ten longhouses, housing around 720–900 people.