Tunnelgruva Halden is a popular attraction located in Halden. This unique destination is known for its impressive underground passages and rooms, which give visitors a chance to experience a part of the region's industrial history. The mine has been in operation since the 17th century and has been an important source of ore, especially iron ore, for several hundred years.
Visitors can explore the different parts of the mine, where they gain insight into both the history of mining and the geological conditions in the area. Tunnelgruva Halden offers guided tours that provide a thorough understanding of the mine's importance and development over time. The area around the mine also offers beautiful natural beauty, making it an attractive place for both history buffs and nature lovers.