Blue Cave (Blå Grottan), one of Västmanland's seven wonders. The "cave" may resemble a cave but is actually a mining site -tunnel. The whole of Klackberg is a large mining field, where you can see mines, open pits and towns in the beautiful nature.

Parking tips: Blå Grottan is located by Klackberg, which in turn is approximately 1.5 km west of Norberg. From road 68 towards Örebro, turn at the sign Klackberg 2 (km) and continue for about 1.7 km. At the sign Gruvmiljö and Ekomuseum turn left. Parking is on the right by the ski club's club house.

NOTE that to get to the Blue Cave you need to park and start at the Klackberg parking lot.