The valley of Cortals de Sispony is the region of Riu de Muntaner. It's the first side-valley of Vall Nord south of La Massana below the mountain Pic de Carroi, starts at the Village of Sispony (1325m) and ends at Collada de Muntaner (2078m). This is the border to Pallars Sobira (Catalunya) with Os de Civis on the other side. You can combine this tour with a cross-country west-east Andorra tour: Cortals de Sispony, Anyos, Beixalis, Encamp, Els Cortals.