The Sorginetxe dolmen (meaning "house of the witches" in Basque) was used during the Bronze Age as an area for burials, and was later used as a refuge for witches.
Continuing along the A-2128 and the N-1 we will reach another megalithic monument, the Aizkomendi dolmen, in the Egiraz district of San Millán/Donemiliaga.