High Quality Content by WIKIPEDIA articles! The Safien valley (Safiental) is an alpine valley of the Canton of Grisons, branching off the Vorderrhein valley. Part of the Surselva district, it comprises the four municipalities of Valendas, Versam, Tenna und Safien. Formerly inhabited by Romansh speakers, it was settled by the Walser in the late 13th century. Population fell from 1,798 in 1850 to 994 in 1980 and has since stabilized just above 1,000.