Lakes of Appenzell Innerrhoden

Seealpsee is a lake in the Alpstein range of the canton of Appenzell Innerrhoden, Switzerland. At an elevation of 1,143.2 m, the surface area is . The lake can be reached by foot from Wasserauen or from Ebenalp. It is a popular tourist destination. A network of routes around Ebenalp connects Seealpsee with other notable sights in the Appenzell Alps, such as the Wildkirchli and Säntis. The Seealpsee provides hydroelectric power and drinking water to the town of Appenzell through the , which is run by the Feuerschaugemeinde.

Fälensee (or Fählensee) is a lake in the Alpstein range of the canton of Appenzell Innerrhoden, Switzerland. At an elevation of 1446 m, the surface area is 0.12 km2. It is located in a narrow valley between Hundsteingrat and Roslen-Saxer First.

Sämtisersee is a lake in the Alpstein range of the canton of Appenzell Innerrhoden, Switzerland. At an elevation of 1209 m, the surface area is . It is located below Hoher Kasten not far from Fälensee.