This beautiful and fascinating area around the 12.3 km2 Tissø is designated as a wildlife sanctuary due to the extensive bird life. There are good opportunities to see white-tailed eagles, and at the visitor center Fugledegård, which provides Tissøs history and known Viking discoveries from the lake, a bird tower exists, which you can use free of charge.

By Tissø, there are several private woods. However, public access is available to most of them. It is also in this area, you find the Åmose-area, Denmark's largest low-lying moor, including “Big Åmose and Small Åmose.

White-tailed eagles and other birds
Northern Europe's largest bird of prey, the white-tailed eagle, is in Denmark a rare breeding bird. Skarresø is one of the few places in Denmark that has been a nesting place of the big bird, and you can be lucky to observe the eagle at Skarresø or neighbouring Lake Tissø, where it also hunts now and then. By the lakes there are also many other interesting birds.