The Sertig Valley is located in the municipality of Davos, south of the town, in the Swiss canton of Graubünden. It is a lateral valley of the Landwasser valley. The small village of Sertig Dörfli (at 1,861 m) is accessible by road.
Coordinates: 46°43′33″N 9°50′55″E / 46.7258°N 9.8486°E