Walchwil has an area, as of 2006, of 13.5 km² (5.2 sq mi).
 Of this area, 41.5% is used for agricultural purposes, while 45.5% is forested.
 Of the rest of the land, 8.2% is settled (buildings or roads) and the remainder (4.7%) is non-productive (rivers, glaciers or mountains).

The municipality is located on the eastern shore of Lake Zug on the south side of Zugerberg (1,000 m (3,300 ft)).
It consists of the villages of Walchwil and Oberdorf (also known as Emmeten).
Walchwil has an area, as of 2006, of 13.5 km² (5.2 sq mi).  Of this area, 41.5% is used for agricultural purposes, while 45.5% is forested.  Of the rest of the land, 8.2% is settled (buildings or roads) and the remainder (4.7%) is non-productive (rivers, glaciers or mountains).
The municipality is located on the eastern shore of Lake Zug on the south side of Zugerberg (1,000 m (3,300 ft)). It consists of the villages of Walchwil and Oberdorf (also known as Emmeten).
Walchwil