Best caves around Kollerschlag are often found within its forested, hilly landscape, characterized by natural rock formations. This region in Upper Austria offers various natural monuments and geological features. Visitors can explore these unique rock formations and small grottoes, which are often integrated into local hiking trails. These Kollerschlag attractions provide insights into the area's natural history and local legends.
Last updated: June 26, 2026
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One of the "legendary" rocks on the Stoanaweg behind the Lourdes Chapel near Stratberg
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90m worthwhile detour. small cave, great place
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You have to go into the forest a bit to get to the stone. Is signposted on the main path.
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You can walk through the cave 😉
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Ideal for a hike with children, of course. However, we did not find the robber
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You have to find the den of robbers first
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gigantic rock formation with hidden caves...be sure to walk around the rocks...
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Definitely look for the robber's cave...
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The Kollerschlag area features natural rock formations, small grottoes, and historical caves. These are often integrated into local hiking trails and provide insights into the region's natural history and local legends. You'll find natural monuments and sites with historical significance rather than large show caves.
Yes, the region has several historically significant sites. For example, Pfaffenhaus Cave served as a shelter for clergymen fleeing the Hussites around 1427. Another is Drucker-Franzl cave, associated with a smuggler and robber from the 1700s. The Hohlstein Natural Cave is also known for being a hiding place during the 1866 war.
Yes, the Robber's Cave is considered ideal for a hike with children, featuring gigantic rock formations and hidden caves to explore. Many of the smaller grottoes and rock formations are accessible via hiking trails suitable for families.
Visitors often enjoy the Hüllstein Rock Formation, an approximately 6-meter-long granite stone resting on two rock bases with a cave underneath. It's signposted on the main path for easy access. The Pfaffenhaus Cave is also a notable natural monument, formed within a 20-meter-high rock colossus.
The caves are often integrated into the region's extensive network of outdoor trails. You can find numerous options for hiking, cycling, and running around Kollerschlag. Many routes will lead you past these natural monuments and grottoes.
Yes, many of the caves and rock formations are accessible via hiking trails. For instance, the Pfaffenhaus Cave is part of the Stoanaweg behind the Lourdes Chapel near Stratberg. The Drucker-Franzl cave is also found in the middle of the forest, often included in local hiking loops like the Wolf Pit (Wolfsgrube) – Printer Franzl Stein loop.
Given that the caves are mostly natural rock formations and grottoes, often accessed via hiking trails, comfortable hiking shoes with good grip are recommended. Dress in layers suitable for outdoor activity, as temperatures inside small grottoes might be slightly cooler than outside, especially in shaded forest areas.
Visitors appreciate the unique natural rock formations and the historical stories associated with them. The integration of these sites into beautiful forest landscapes and hiking trails is also a major draw, offering a blend of nature exploration and cultural discovery.
Many of the rock formations and grottoes, like the Hüllstein Rock Formation, are signposted on main paths, making them relatively easy to find. However, some, like the Drucker-Franzl cave, require a bit of searching within the forest, adding to the adventure.
The caves and rock formations around Kollerschlag are natural monuments and grottoes, not commercial show caves. Therefore, there are generally no entrance fees to visit them. Access is typically free as part of the public hiking trails.
The caves and rock formations are generally accessible year-round. However, visiting during spring, summer, or autumn is ideal for enjoying the surrounding hiking trails and forest landscapes. Winter visits are possible, but trails might be snowy or icy, requiring appropriate gear.


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