Group of twenty-two cromlechs located in the mountains of Oiartzun (Gipuzkoa); 6 on the summit Egiluze and Egiar; 3 in Arritxolaga a; 10 in Erengazelaya; 1 in Oyanleko-txokua; 2 in Arritxurieta. Their diameter varies four and sixteen metres. Aranzadi carried out excavations in several of these cromlechs; but had no positive results. Discovered by Pedro Manuel de Soraluce and Manuel de Lekuona.Jose Miguel de BARANDIARAN