The Witenwasserenstock (3,082 m) is a peak between the Swiss cantons of Valais and Uri, located in the Lepontine Alps . Close to the summit lies the tripoint border between the cantons of Valais, Uri and Ticino and the triple watershed of the Rhine , Po and Rhône basins.

The Witenwasserenstock lies between the valleys of Geretal (west) and Witenwasseren (north-east). At the foot of the mountain are located the Geren and Witenwasseren Glaciers. The tripoint between the cantons of Valais, Uri and Ticino (3,025 m) is located 300 m east from the summit. It acts as a notable watershed.