Known as Onyi-Mandoegi in Gipuzkoas archaeological map, this megalithic station starts in Onyi and covers Adarra, its surroundings all the way to Deskarga, and the hill that goes down from Abade Kurutz towards the Leizaran Valley . Its main features are
several stone circles or cromlechs, menhirs and dolmens.
Numbering almost 70, the stone circles are distributed into 14 groups. Some other important collections are also found in the nearby lands of Navarre .
This site features photographs of the main monuments, as well as several panoramic views from the most interesting viewpoints, a virtual flight over the sierra and a 3D representation of the Eteneta cromlech and its menhir. UTM coordinates are included, as many mountaineers currently use GPS devices.
