Dolmen de Soto, dated between 3000 and 2500 B.C., belongs to a family of dolmens known as long corridor dolmens. The large size of the 21-meter-high Dolmen de Soto is one of its most astonishing features. It is the largest dolmen that has been found in the Huelva province in . Its width varies depending on the area. Close to the door, it is about 0.8 meters wide, while in the chamber section, it is over three meters wide.