At Mattisberget in Gammelstad, there is an exercise trail that is five kilometers long. The track is partly lit up. During the winter, the track is prepared for nordic skiing.
Mattisberget has four tracks with different lengths:
Purple: 1.0 kilometers
Red: 1.5 kilometers
Green: 2.6 kilometers
Black: 5.0 kilometers
The trails are suitable for running, jogging or walking.