La mandíbula del lobo is a documentary about alpinism that takes place in Ulvetanna Peak and Stetind. It was directed by Sebastián Álvaro in 2006 and produced by RTVE. It is a part of the series Al filo de lo imposible. It features José Carlos Tamayo, Ferran Latorre, Mikel Zabalza, Norman D. Vaughan and Richard E. Byrd.
NOTE: This section may contain affiliate links. Please, see disclosure on footer.