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.