Mugarra is a peak of Biscay, Basque Country (Spain), 936 m high, belonging to the Aramotz massif.The Aramotz massif is in the western limit of the Urkiola range. Mugarra continues the line of the Anboto, Alluitz, Aitz Txiki and Untxillaitz and is the eastern limit of the Aramotz massif.Huge limestone rock where fossil rests of seashell can be found. The southern face forms a 300 m high cliff over the col of Mugarrekolanda.