Parque Natural de Armañón Nature · Karrantza Harana/Valle de Carranza, Enkartazioak / Encartaciones, Bizkaia Protected natural area declared in September 2006, shared between the municipalities of Carranza and Trucios-Turtzioz, with significant karst relief (including the Torca del Carlista and the Cueva de Pozalagua) and forest masses of the Montes de Ordunte. septiembre de 2006 (declaración) Photo: Ebaki (CC BY-SA 4.0) What to see and do in Karrantza Harana/Valle de Carranza