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Germany
North Rhine-Westphalia
Märkischer Kreis

Altena

Top 20 Caves around Altena

Best caves around Altena are found in the Märkischer Kreis, North Rhine-Westphalia, within the Sauerland region. This area is characterized by its diverse geological formations, including numerous caves. Visitors can explore a variety of underground environments, from accessible show caves to more challenging natural caverns. The landscape offers opportunities to discover unique geological features and historical sites.

Best caves around Altena

  • The most popular caves is Feldhof Cave, a cave that is very large and freely accessible. Visitors should bring a flashlight to explore its depths.
  • Another must-see spot is Felsenmeer (Hemer), a natural monument where the nearby Heinrichshöhle, a stalactite cave, is open to visitors. This area features impressive rock formations and historical significance.
  • Visitors also love Haake Cave, a cave located in the Hönnetal. It is a small cave that requires a flashlight for exploration.
  • Altena is known for its natural caves and historical cave sites. The region offers a variety of caves to see and explore, from large, freely accessible caverns to smaller, less known ones.
  • The caves around Altena are appreciated by the komoot community, with more than 2600 upvotes and over 2100 photos shared by users.

Last updated: June 22, 2026

Feldhof Cave

Highlight • Cave

The Feldhof Cave awaits you after a bend. It is very large and you should take a flashlight with you to explore so that you don't end up standing in the dark. A very interesting historical place.

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Felsenmeer (Hemer)

Highlight • Natural Monument

The Felsenmeer in the Sauerland of Hemer is a protected area since 1968, whose rugged subsoil originates from the Tertiary. This area of ​​the sea of ​​rocks is about 600 meters long, 200 meters wide and is 45 meters above the valley floor. It is divided into three areas, the Big Rock Sea in the northwest, the Small Rock Sea in the south and the paradise in the southeast.
The nearby Heinrichshöhle is a stalactite cave, which is open to visitors.

The Felsenmeer itself is freely accessible around the clock. Leaving the marked trails is prohibited and very dangerous, as crevices are often hidden under leaves and branches. This has already resulted in several deaths.

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Seven Maidens Rock Formation

Highlight • Natural Monument

Seven groups of virgin rocks, on a challenging route towards Balve or Hemer-Brockhausen.

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Haake Cave

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Another of many unknown caves in the Hönnetal!

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Balver Cave

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Largest cultural cave far and wide. In the spacious cave and its very special atmosphere many events such as theater and concerts take place.

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Tips from the Community

JR56
May 4, 2026, Balver Höhle

The Balver Kulturhöhle impresses right from the first step: a gigantic natural dome, up to eleven meters high, which has been used since the Old Stone Age and is today considered an extraordinary event venue. Where Neanderthals and cave bears once found shelter, you can now experience concerts, theater, and the traditional Schützenfest (marksmen's festival) in an acoustics that is second to none. The cave is only accessible as part of events or guided tours, but a glance at the mighty entrance is enough to reveal why it fascinates as Europe's largest open hall cave. https://www.sauerland.com/de/neusta-pois/balver-hoehle-europas-groesste-kulturhoehle

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Large cultural cave with a restaurant right next door. The cave is said to have great acoustics. Unfortunately it was closed when we were there.

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Mike
February 26, 2023, Haakehöhle

A beautiful little cave a flashlight would be an advantage but not essential. Back to the car was also a beautiful stream that you can hike along

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Mikael Ernst
January 5, 2023, Haakehöhle

Unfortunately, like all rocks in the Hönne Valley, it is closed for climbing.

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Mondraker Marc
November 6, 2022, Balver Höhle

cultural events are held regularly in the Balver cave

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Winhold
July 3, 2022, Balver Höhle

The Balver Cave is the largest open cultural cave in Europe with an entrance portal that is 11 meters high and 18 meters wide. In the huge hall, which is almost 90 meters deep and splits into two arms after 54 meters, around 2,000 people can celebrate or experience the unique acoustics and atmosphere at concerts. Caves only exist in limestone. This grew from dead corals in a warm sea around 360 million years ago. The enormous forces of the earth's interior fold, raise and lower the originally crack-free mass limestone. Penetrating water dissolves the lime, widens the cracks into crevices and cavities - this is how our cave was formed over tens of millions of years. During the ice ages 100,000 to 20,000 years ago, mud was deposited in the Balver Cave. The cave clay filled the cave almost to the ceiling. The farmers recognized the high fertilizer value of the phosphate-containing clay and brought it to their fields. This is how the impressive cave space was uncovered - a rock dome. During later excavations, skeletons of local animals, such as mammoths and cave bears, and around 40,000 artifacts were found.

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Thorsten
January 12, 2022, Haakehöhle

Very nice large cave, with many side passages, you should have a torch with you.

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Beastmaster
October 24, 2021, Balver Höhle

Culture and event cave in Balve. It has been used for all sorts of purposes for thousands of years.

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Frequently Asked Questions

Which caves around Altena are suitable for families?

The Feldhof Cave is freely accessible and large enough for exploration, making it a good option for families who enjoy a bit of adventure. The Dechenhöhle is also very family-friendly, offering special tours for children during holidays and being easily accessible by train. The Heinrichshöhle, located near the Felsenmeer, is another stalactite cave open to visitors that can be enjoyed by families.

Are there any dog-friendly caves or trails near Altena?

While specific dog policies for individual caves like Dechenhöhle or Reckenhöhle should be checked directly with the operators, many of the surrounding natural areas and trails are dog-friendly. For instance, the area around the Felsenmeer (Hemer), which includes the Heinrichshöhle, offers marked trails suitable for walks with dogs. Always keep dogs on a leash and respect local regulations.

What are the most impressive natural features to see in the caves around Altena?

The Dechenhöhle is renowned for its exceptional abundance of stalactites and stalagmites, including formations like the 'Tropfsteinkaiser' (Stalactite Emperor) and 'Nixenteich' (Mermaid's Pond). The Reckenhöhle also features impressive dripstone formations, with a notable section called 'Paradiese'. The Felsenmeer (Hemer), while not a cave itself, is a natural monument with impressive rock formations and ravines, with the Heinrichshöhle nearby.

What is the best time of year to visit the caves in the Altena region?

Caves generally maintain a constant temperature year-round, making them a good destination regardless of the season. The Dechenhöhle, for example, is open for tours throughout much of the year, with specific events during holidays. For exploring freely accessible caves like Feldhof Cave or Haake Cave, spring and autumn offer pleasant weather for the approach hikes. Always check the specific opening hours for show caves before your visit.

What historical significance do the caves around Altena hold?

Many caves in the region have significant historical and archaeological importance. The Dechenhöhle is famous for prehistoric animal finds, including a baby cave bear skeleton and a forest rhinoceros skull, with an archaeological excavation site visible during tours. The Reckenhöhle also yielded prehistoric remains like mammoth teeth and a cave bear skeleton. The Feldhof Cave is described as a very interesting historical place, and the Felsenmeer (Hemer) area has historical significance related to centuries of iron ore mining.

How can I reach the caves around Altena using public transport?

The Dechenhöhle is uniquely accessible by train, having its own railway stop, 'Letmathe-Dechenhöhle'. For other caves, public transport options may vary. It's advisable to check local bus schedules for connections to areas near the Reckenhöhle or the Felsenmeer (Hemer). For less developed caves like Feldhof Cave or Haake Cave, public transport might get you to a nearby town, but a walk or further transport might be needed.

Are there any hiking routes that include cave visits near Altena?

Yes, the region offers several hiking opportunities that can be combined with cave exploration. For example, there's a challenging hike from Altena Castle to the Dechenhöhle, covering about 17.2 km. You can find more hiking options in the area by exploring the Hiking around Altena guide on komoot.

What should I bring when visiting a cave in the Altena region?

For show caves like Dechenhöhle or Reckenhöhle, comfortable walking shoes and a light jacket are recommended due to the constant cool temperatures inside (+9°C in Reckenhöhle). For freely accessible caves like Feldhof Cave or Haake Cave, a reliable flashlight is essential, as the caves are unlit. Sturdy footwear is always advisable for uneven terrain.

Are there any lesser-known or undeveloped caves in the Altena area worth exploring?

Beyond the main show caves, the region has several natural caverns. The Feldhof Cave is a large, freely accessible cave that requires a flashlight for exploration. The Haake Cave in the Hönnetal is another small, undeveloped cave that can be explored with a flashlight. These offer a more rugged and adventurous experience compared to the developed show caves.

What are the typical tour durations for the show caves near Altena?

A typical guided tour through the Dechenhöhle lasts approximately 40 minutes. For the Reckenhöhle, visitors can explore about 300 meters of its passages, and while a specific duration isn't provided, it's generally a similar timeframe for a guided visit to appreciate the formations.

Where can I find food and refreshments near the caves?

Near the Dechenhöhle, there is the German Cave Museum which often has facilities. The Sülberg Deele is a restaurant located in a very idyllic natural setting, offering a place for refreshments. For other caves, especially the more remote ones, it's best to plan to eat in nearby towns like Altena or Balve.

What kind of activities can I do near the caves besides exploring them?

The region around Altena offers various outdoor activities. You can find numerous running trails, including loops around the Fuelbecke Dam, by checking the Running Trails around Altena guide. There are also many hiking opportunities, from easy strolls to more challenging routes, detailed in the Hiking around Altena guide and Easy hikes around Altena guide.

Most popular routes around Altena

Hiking around Altena

Most popular attractions around Altena

Natural Monuments

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Extend your search for the best caves by checking out these guides of the top ones around Altena:

BalveIserlohnNeuenradeHemerMenden (Sauerland)MeinerzhagenPlettenbergKierspeHalverNachrodt-WiblingwerdeHerscheidWerdohlSchalksmühleLüdenscheid

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