El Vallecito is an archaeological site located in the city of La Rumorosa, in the Tecate Municipality, Baja California, Mexico. It is believed that Baja California had human presence for thousands of years, however the available evidence indicates an occupation approximate from 8000 BCE. The sited mentioned sites are more recent, it is estimated that they were developed in the last thousand years, though the engravings, more resistant to erosion, could be older. This site has more than 18 sets of cave painting of which only six may be visited.