Groveland-Big Oak Flat Census Designated Place (historical) is a census located in Tuolumne County, California. It appears on the Groveland USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 2,552.00 feet (777.85 m) above sea level. The nearest populated place is Second Garrotte, approximately 2.0 miles to the S.