Monte Adarra Nature · Urnieta, Donostialdea, Gipuzkoa Mountain within the territory of Urnieta, on whose summit the Eteneta cromlech, a prehistoric remnant, is preserved. Photo: Iñaki LL (talk) 18:51, 28 April 2008 (UTC) (CC BY-SA 3.0) What to see and do in Urnieta