 vallecito ("little valley" in spanish; formerly, murphy's old diggings, valacito, vallicita, vallicito) is a census-designated place (cdp) in calaveras county, california, united states. the population was 442 at the 2010 census, up from 427 at the 2000 census. the town is registered as california historical landmark #273. nearby is moaning cavern, the largest cave chamber in california, which the miwok indians used as a burial ground. ==history== vallecito was one of california's important early-day mining towns. gold was discovered here by the murphy brothers in 1849, and it was originally called "murphys diggin
California_Historical_Landmarks Census-designated_places_in_Calaveras_County,_California Census-designated_places_in_California