Best caves around Brunn am Gebirge are found in a region known for its historical significance and vineyards, with several notable geological features nearby. The area offers a variety of subterranean experiences, from expansive underground lakes to natural rock formations. These sites provide insights into the region's geology and history. Visitors can explore a range of natural caves and former mines, making it a destination for those interested in geological points of interest.
Last updated: May 11, 2026
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Popular around Brunn am Gebirge
Via Sacra – hiking along holy paths from Vienna to Mariazell
Gravel biking around Brunn am Gebirge
Cycling around Brunn am Gebirge
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Hiking around Brunn am Gebirge
Running Trails around Brunn am Gebirge
Mountain Hikes around Brunn am Gebirge
Höllensteinlucke: Best viewed from the hiking trail. Luckily there are 4 routes
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First, you walk through a low tunnel far into the mountain, where you are finally given a detailed explanation of the working conditions in former times and what happened in the tunnel during the Second World War, including the construction of the first fighter jet. After the mine tour, you continue a bit further down to the largest underground lake in Europe, where you take a short boat trip. The lake is very clear, the air is great, and the lighting is also very beautiful to look at. We went to the Seegrotte purely by chance and were lucky enough to get a private tour, as apparently no one else wanted to visit the grotto at lunchtime. Our guide was very nice, explained everything in great detail, and in the end, we were even allowed to do two laps on the lake.
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After his death, the giant Einöder was carried away into the Anninger. To this day, he lives deep within the Einödhöhle and is considered by the people to be the most powerful guardian of the land against the incursions of enemy armies from the east.
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The Grotto of Mary is located on a forest clearing below ground level, the entrance is secured with posts or a small concrete wall, the interior of the grotto is largely natural. At the entrance there is a small table and a seat, a small bell can be rung by pulling a cord. On the right side of the grotto is a painted statue of the Virgin Mary, modeled after Gothic madonnas, protected above the entrance by a wooden gable roof, a carved, unframed figure of the Virgin Mary in the style of the mantle madonnas.
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Höllensteinlucke – the breather for altitude heroes 😅 Are you on your way to the Höllensteinhaus, panting like a broken vacuum cleaner and wondering if you're lost? Don't worry – you've arrived at the Höllensteinlucke! 🎉 This legendary "lucke" isn't a magical portal, but simply a small cut in the terrain – but for tired hiking legs, it feels like a gift from the Vienna Woods. 🌲✨ Here you can take a short breather, question your existence, and mentally prepare for the final climb. Because from here on, things get tough again – but hey, you're not here for fun. Or are you? 😄
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Small & big explorers can explore the cave
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The isolated cave is closed from September 16th to April 30th to allow the bats to hibernate in peace.
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The Grotto of the Virgin Mary is located in a forest clearing below ground level, the entrance is fenced off or secured with a small concrete wall, the interior of the grotto is largely natural. At the entrance there is a small table and a place to sit, a small bell can be rung using a cord. On the right side of the grotto there is a painted statue of the Virgin Mary based on the model of Gothic Madonnas, above the entrance protected by a wooden gable roof, a carved, unpainted figure of the Virgin Mary in the style of the protective cloak Madonnas. Various pictures have been placed inside the grotto.
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The region offers a diverse range of subterranean experiences. You can explore Seegrotte Hinterbrühl – Europe's Largest Underground Lake, a former gypsum mine with boat tours, or the Einöd Cave, a natural surf cave with historical significance. There are also unique rock formations like Matterhörndl.
The Seegrotte Hinterbrühl offers guided 45-minute tours that include a boat ride across Europe's largest underground lake. The Einöd Cave can be explored independently.
Yes, both Seegrotte Hinterbrühl and Einöd Cave are considered family-friendly. The Seegrotte offers an engaging historical tour and boat ride, while the Einöd Cave allows for independent exploration, which can be exciting for children.
The Seegrotte Hinterbrühl maintains a constant temperature of 9°C year-round, making it suitable for visits regardless of the weather. The Einöd Cave is accessible from April to September, as it is closed during winter months to protect cave-dwelling bats.
The Seegrotte Hinterbrühl was originally a gypsum mine that was accidentally flooded in 1912. It also served as a covert aircraft production facility during World War II. The Einöd Cave has a history as a show cave since 1925 and is associated with local legends.
For the Seegrotte Hinterbrühl, wear warm clothing as the temperature inside is a constant 9°C (48°F) year-round. Comfortable walking shoes are recommended for all cave visits, especially for exploring the Einöd Cave.
Yes, the Matterhörndl is a distinctive rock formation on the Anninger in the Vienna Woods. It resembles a miniature Matterhorn and has been a natural monument since 1941, with a legendary gap in the rock.
Yes, the Einöd Cave can be explored independently from April to September. It is recommended to bring a headlamp for better visibility inside.
The region around Brunn am Gebirge offers various outdoor activities. You can find numerous routes for gravel biking, mountain biking, and easy hikes. For detailed routes, explore the Gravel biking around Brunn am Gebirge, MTB Trails around Brunn am Gebirge, and Easy hikes around Brunn am Gebirge guides.
The Seegrotte Hinterbrühl is located a short distance from Brunn am Gebirge and is generally accessible by public transport and car. For specific public transport options, it's best to check local transport schedules or visit the official website for the Seegrotte.
Generally, dogs are not permitted inside show caves like Seegrotte Hinterbrühl due to safety and environmental regulations. For natural caves like Einöd Cave, it's advisable to check specific rules at the entrance, especially concerning bat habitats.
The Höllensteinlucke Cave in Kaltenleutgeben is a natural cave known to hikers as a potential barbecue spot and shelter. While it offers a place to rest, it is not developed as a major tourist attraction like other caves in the region.


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