Dolmen de Soto Monument · Trigueros, El Condado, Huelva Megalithic monument dating from between 3000 and 2500 BC, on the La Lobita estate, oriented so that sunlight illuminates the last stone of the passage at the spring and autumn equinoxes. c. 3000-2500 a.C. Photo: Trgrñ (CC BY-SA 3.0) What to see and do in Trigueros