Best caves around Perchtoldsdorf are found in the surrounding region of this market town in Lower Austria, within the Vienna Woods. The area offers diverse underground experiences, ranging from former mines to natural rock formations. These geological features provide insights into the region's natural history and offer unique exploration opportunities. The landscape around Perchtoldsdorf is characterized by its forested hills and valleys, which conceal these subterranean attractions.
Last updated: May 9, 2026
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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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Where Mary is venerated and prayed to, faith takes root and becomes alive and strong. Where Mary is loved, the Church is also loved.
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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 region boasts diverse geological formations. For instance, the Einöd Cave is geologically exceptional as it was formed as a sea cave by the waves of the Tortonian Sea and Pontic Lake during the Miocene epoch, rather than typical karst processes. The Seegrotte Hinterbrühl is famous for being Europe's largest underground lake, formed from a flooded gypsum mine.
Yes, several options are suitable for families. The Seegrotte Hinterbrühl offers guided tours and a memorable boat ride on its underground lake, making it a popular and family-friendly attraction. The Einöd Cave allows for relatively safe self-exploration with a headlamp, which can be an exciting adventure for older children.
The Einöd Cave is accessible from April to the end of October. During winter, it's best to avoid visiting to prevent disturbing the bat population. The Seegrotte Hinterbrühl maintains a constant temperature of 9°C year-round, making it a good option regardless of the season, though specific opening hours may vary.
Yes, the Seegrotte Hinterbrühl has significant historical importance. During World War II, parts of its expansive tunnels were used as a secret aircraft production site. The Einöd Cave was historically developed with paths and electric light, serving as a show cave in the 1920s.
The region around Perchtoldsdorf offers numerous outdoor activities. You can find various hiking trails, such as the Zugberg Ridge Trail or the Teufelstein Hut loop, as detailed in the Hiking around Perchtoldsdorf guide. For more challenging adventures, explore mountain hikes like the Mödlinger Via Ferrata, found in the Mountain Hikes around Perchtoldsdorf guide. There are also MTB trails like the Parapluie Route, available in the MTB Trails around Perchtoldsdorf guide.
The Matterhörndl, a natural monument resembling a miniature Matterhorn, is a mystical spot popular with photographers and nature lovers. It offers scenic views and is often part of hiking routes in the Vienna Woods, providing a great spot for a rest.
For caves like Einöd Cave, which requires self-exploration with a headlamp, sturdy footwear and clothing that can get dirty are recommended. The Seegrotte Hinterbrühl maintains a constant 9°C, so a jacket or warm layer is advisable even in summer.
The Matterhörndl, with its impressive rock formation and unique opening, is a popular spot for photographers. The illuminated chambers and underground lake of the Seegrotte Hinterbrühl also offer unique photographic opportunities.
The Einöd Cave allows for self-exploration of its three halls, provided you bring a headlamp. In contrast, the Seegrotte Hinterbrühl is primarily explored through guided tours, which include a boat ride on the underground lake.
The Perchtoldsdorf Forest Shrine is a small Catholic pilgrimage chapel located in the Vienna Woods. It is considered the highest sacred building in Perchtoldsdorf and is a listed historical building, dedicated to Saint Mary of the Assumption.
Yes, the Einöd Cave is known as a habitat for bats, particularly the Lesser Horseshoe Bat. This is why it is recommended to avoid visiting during winter to prevent disturbing them.
Exploring the three halls of the Einöd Cave with a headlamp can take a reasonable amount of time, depending on your pace. Guided tours at the Seegrotte Hinterbrühl typically last around 45 minutes, including the boat ride.


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