In the eastern part of Silkeborg Langsø, close to the area around the old paper mill and Nordskoven.
You find a web of interconnected passages, from where you can make day trips out into nature. You regulate the distance of your walk as needed.
On your way, you will pass by the spot where Silkeborg Castle once stood. Silkeborg Castle is first mentioned in 1414, but is presumed to be much older.
The trail around Silkeborg Langsø is approximately 7 km. See a map of the area here.