The Dechenhöhle cave is among the most beautiful caves in Germany. We invite you to join us on a journey through the fascinating, subterranean world of the Dechenhöhle where we provide a well developed path within our magical world.


Daily opening from March 1st on.

Visitor Information during the Corona pandemic

The cave is open!

Please observe the following rules:

- There are no more restrictions for your visit (no mask requirement, no controls)

- You get tickets for the cave tour at our ticket office in the museum. No advance reservation possible!

Don´t leave the official ways in the cave.

Don´t touch the stalactite formations, walls and switches!

Please follow the instructions oft he cave guide!

Link to the english text of the cave guide explanation.

Further Information

The Dechenhöhle a one-of-a-kind natural monument and therefore is only accessible with a tour. Animals are not allowed in the cave.The temperature in the cave is a constant 10 degrees celsius regardless of the time of year.


A visit to the Dechenhöhle and the German Cave Museum can easily be accompanied with a short hike through the “Sonderhorst-Burgberg” nature reserve which contains rare limestone flora and early middle-age castle walls.

If you have questions please contact Dr. Stefan Niggemann, Rasmus Dreyer, or Dr. Jörg Nolte:

Betriebsführung Dechenhöhle

Dechenhöhle 5

58644 Iserlohn

Tel.: 02374/71421


Prices / Opening Hours


Regular guided tour, museum entrance included:

  • adult: 9,00€
  • children ages 3 - 15: 6,00€

Group prices:

  • children (up to 10 persons ages 15 and under): 5,50€
  • adults (up to 20 persons): 8,00€

Payment by cash or EC-card. Group ticket transactions must be handled through a single representative. Please arrive on time. Further discounts are not available. Alternative entrance prices apply for special events.

Opening Hours

Please be aware: The Dechenhöhle is only accessible with a guided tour. Guided tours last approx. 40 minutes.

The Dechenhöhle and the German Cave Museum Iserlohn open year round:

March - November

Mo.-Fr. (outside school-vacation and holidays):

10.30, 12.00, 14.00, 15.30 o´clock and from 1st april to 31th october 16.30 o´clock!

Sa., So., school-vacations, holiday:

Current cave tours between 10.30 o´clock and 15.30 o´clock and from 1st april to 31th october 16.30 o´clock

January, February, December

Opened only on Saturday, Sunday, school-vacations and Holidays:

Current cave tours between 10.30 o´clock and 15.30 o´clock (last cave tour). 24.12. & 26.12. christmas tours, 25.12. closed.

Single guests for the normal tours are not required to make an appointment. Further tours are possible as needed. Exclusive tours outside of opening hours are possible with an appointment.

Approach to the Dechenhöhle

The Dechenhöhle can be reached by car or bus on the BAB 46 Hagen-Iserlohn (Junction at Is.-Oestrich, from there follow signage). There are 3 large free parking lots available on site. Using public transportation the bus will take you directly to the cave using Line 1 until the stop Dechenhöhle. The easiest way to get here is taking the train to the station “Letmathe-Dechenhöhle” on the stretch between

For precise connections and information please refer to theGerman Railway (der Deutschen Bahn AG). The most affordable rates can be foundrespective transport association (Verkehrsverbund Rhein-Ruhr, VRR:;Verkehrgemeinschaft Ruhr-Lippe, VRL:



Can I go through the cave alone?


Are there discounted entrance tickets?


Can I pay with EC or creditcard?


Are animals allowed in the cave?


Can someone leave the Dechenhöhle cave during the tour?


Is there parking in front of the museum?


Is there a handicapped toilet available?


Next Appointments