Ski Areas in Hinterrhein Hinterrhein is a region of Switzerland offering snow sports in 3 Swiss Ski Resorts, including Avers / Cresta, Splügen / Rheinwald and Urmein / Oberheinzenberg. Snow Forecasts for Hinterrhein Snow Forecasts for Ski Resorts in Hinterrhein Ski Resort Forecast 48HrThuFriSatSunMonTueWed 7Day Avers / Cresta-- Splügen / Rheinwald-- Urmein / Oberheinzenberg-- Hinterrhein Ski Resorts Ski Resorts in Hinterrhein Ski Resort Pistes Top Beginn. Interm. Experts Avers / Cresta12km7 miles2,540m8,333ft--- Splügen / Rheinwald30km19 miles2,215m7,267ft--- Urmein / Oberheinzenberg21km13 miles2,183m7,162ft---