Untxillaitz
 Untxillaitz Untxillaitx or Untzillatx is a mountain of Biscay Basque Country (Spain) 934 m. high. Its name may mean Rabbit's peak untzi(a)=rabbit aitz=peak. Part of the Urkiola range although it does not belong to the same crest of the Anboto it is also part of the same limestone range.It forms the pass of Atxarte with the neighnouring Aitz Txiki and it's located in the valleys of Mendiola and Mañaria.