Carson Hill (also, Carson Flat and Melones and Slumgullion) is a ghost town in Calaveras County, California. It sits at an elevation of 1447 feet (441 m) above sea level and is located at 38°01′42″N 120°30′24″W / 38.02833°N 120.50667°W, about 4 miles (6.4 km) south-southeast of Angels Camp. It was one of the most productive mining camps in the state, with nearly $26 million in gold and quartz found in the area. Carson Hill is registered as California Historical Landmark #274. The town was served by the Sierra Railway's branchline to Angels Camp until 1935.