Säntis is a mountain in the Swiss Prealps, part of the Alpstein range. It can be reached by aerial tramway from Schwägalp.
The peak is the highest point of the cantons of Appenzell Innerrhoden and Appenzell Ausserrhoden, and is also shared by the Canton of St. Gallen.
From the Swisscom transmission tower (123.55 m), various VHF radio and television programs (SF1, SF2) of SRG SSR idée suisse are broadcast.