Cris is a Portuguese river which appeares on the eastern side of the Caramulo mountains, close to Carvalhal Women’s village in Santiago de Besteiros district in Tondela ,Viseu.

After an approximate distance of 25 kilometers, the river flows into the right margin of the river Dao in full Bayou Aguieira Dam, in Coval which is between the municipalities of Santa Comba Dao and Mortágua.