Spaneggsee is a

lake A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from ...

in Filzbach,

Glarus Glarus (; ; ; ; ) is the capital of the canton of Glarus in Switzerland. Since 1 January 2011, the municipality of Glarus incorporates the former municipalities of Ennenda, Netstal and Riedern.Switzerland Switzerland, officially the Swiss Confederation, is a landlocked country located in west-central Europe. It is bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east. Switzerland ...

. Its surface area is .

See also