Picón Bejes-Tresviso is a blue cheese from Cantabria, in the north of Spain. It has been protected under Denominación de Origen (DO) legislation since 1994, prior to which it was traditionally known as Picón de Tresviso and Queso Picón de Bejes. The designated area centers in the Liébana valley and production is restricted to the municipalities of Potes, Pesaguero, Cabezón de Liébana, Camaleño, Cillorigo de Liébana, Peñarrubia, Tresviso and Vega de Liébana.