| Clarksville | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | California#USA |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in California |
| Pushpin Image: | California Locator Map with US.PNG |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Name1: | California |
| Subdivision Type2: | County |
| Subdivision Name2: | El Dorado County |
| Coordinates: | 38.655°N -121.0525°W |
| Elevation M: | 206 |
| Elevation Ft: | 676 |
| Population As Of: | 2010 |
| Population Total: | 9 |
Clarksville (Tong Ranch) is an unincorporated community in El Dorado County, California. It is located 14miles west-southwest of Placerville, at an elevation of 676 feet (206 m).
Clarksville was established during the California gold rush and at one point had over a thousand residents and several businesses. By 1931 only twenty residents remained.[1] Little remains today, but the Clarksville Heritage Society preserves the town's history.[2]
A post office operated at Clarksville from 1855 to 1924 and from 1927 to 1934.