The Altenalp Türm (2,033 metres) is a peak of the Alpstein massif, located in the canton of Appenzell Innerrhoden, on the ridge between Ebenalp and the Säntis. It is the northernmost peak rising above 2,000 metres in Switzerland. References External links Altenalp Türm on Hikr.org Mountains of Switzerland Mountains of the Alps Mountains of Appenzell Innerrhoden Appenzell Alps Two-thousanders of Switzerland