Best caves around Pettendorf are primarily found within the surrounding Landkreis Regensburg and the wider Upper Palatinate region of Bavaria. This area features a diverse natural landscape, including significant geological formations and historical sites. The region offers a variety of subterranean attractions, from natural rock shelters to adapted cave dwellings. Visitors can explore unique underground features and learn about local history.
Last updated: June 27, 2026
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Highlight • Religious Site
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The Höhlenburg Loch > a geotope The Höhlenburg Loch is one of only two cave castles in Bavaria (the second is in Stein an der Traun in Upper Bavaria). The lower, flatter part of the castle complex lies in slab dolomites belonging to the Velburg Horizon. The steep wall, at the base of which the (residential) caves appear, is formed by mass dolomites of the Middle Franconian Alb Formation. Bavarian State Office for the Environment (LfU). https://www.umweltatlas.bayern.de/standortauskunft/rest/reporting/sb_geotope/generate?additionallayerfieldvalue=375A026
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Loch Castle Ruins Loch Castle was probably built by the Rammelsteiners, the lords of a nearby estate. They were first mentioned in the 12th century and were ministerials of the burgraves of Regensburg and later of the Bavarian dukes. Their castle in Loch was probably only built after 1300 to protect an iron hammer mill in the Laber Valley. A "Hugo vom Loch" is mentioned in a fief book of the Regensburg monastery of St. Emmeram at this time. Jakob Rammelsteiner vom Loch was district judge in Sulzbach in 1388 and court master to the Duke of Ingolstadt, Ludwig the Bearded, in 1413. His descendants Dietrich and Wolfgang took part in the knights' revolts of the Böckler and Löwler, but this did not cause any lasting damage to the family. After 1500, the lords of the castle also gained control of the Schönhofen and Eichhofen castles. When the last Rammelsteiner Sebastian died in 1556, the complex passed to his nephew Wolf Heinrich Sauerzapf in 1573 after long inheritance disputes. The Sauerzapf - a very successful family of hammer lords - gave up their seat in 1625 at the latest and resided in Schönhofen. In 1714, the last Sauerzapf Christoph bequeathed Loch Castle, already in ruins, to the Carthusian monastery of Prüll in Regensburg. The former Loch Castle, although it remained historically insignificant, offers many interesting features. The shape of the cave castle is extremely rare. The entrance was in the north, where a moat, still clearly visible today, separates the castle terrace. A gatehouse with a drawbridge can be clearly seen in the 1718 depiction, as can the residential buildings, which lean against the steep wall in the east in front of several cave rooms. At the southern end of the terrace stands the well-preserved keep, which is 23 meters high. It has 2 m thick walls, a toilet bay and large windows on the top floor. The structural design of the keep, which was built from roughly hewn rubble stone and was designed to be relatively comfortable with large windows and a toilet bay, clearly points to the 14th century. Clearly visible remains of built-in features have been preserved in the largest cave. It is surprising that such an uncomfortable and defensively unfavourable location was chosen for a castle in the late Middle Ages. It was extremely vulnerable to attack from the plateau above. The reason for the choice of location was probably solely the nearby hammer mill. Source: Excerpts from www.burgenseite.de
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Beautiful rock chapel. An absolute dream.
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ATTENTION: On the Etterzhausen JURA🦕Steig ascent to the robber's cave, a very special person, compared to whom even real robbers appear to be honorable merchants, has made nasty mistakes: 3 flats in 6 months, always in the same place, and today, while patching, he discovered a fresh thumbtack. See picture #82. Time to upgrade to tubeless! Always a flat ride! 🍀🚴🏿♂️😀
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The "Chapel in the Rock" is a hidden gem on the banks of the Danube, set directly into the limestone of a rock face. The small grotto chapel dates back to the 18th century and impresses with its simple architecture with gable, figure niches and the unique location in the middle of the striking Jurassic rocks. Embedded in the nature reserve of the Mattinger slopes, which boasts steep slopes, dry grasslands and rare flora, the chapel blends harmoniously into the surrounding landscape. The grotto chapel is worth a stop, very interesting. It is located directly on the Danube cycle path and is valued by many cyclists as a special resting place - a place of silence and contemplation, which combines nature, culture and spirituality in an impressive way. The chapel in the rock is worth a stop, very interesting.
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The castle is best seen from Eichhofen, as entering is forbidden and not possible due to the fence
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Beautiful, wonderful tips that make you want to go on a nasty tour! Thanks!
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I liked it a lot.
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The region offers several fascinating historical cave sites. The Loch Cave Castle Ruins are an extremely rare example of a cave castle, where two caves were connected and walled to create living quarters. Another unique site is the House Without a Roof in Kallmünz, a still-used cave house integrated into a natural dolomite rock formation, showcasing historical human adaptation of natural spaces. Additionally, the Grotto Chapel in the Rock (Mattinger Hänge) is a small chapel carved into stone, dating back to the 18th century.
Yes, the area boasts caves with notable geological characteristics. The Robber's Cave near Sinzing was formed during the Jurassic period by the slow dissolution of lime from stone by running water. Schutzfels Pentling is a valuable geotope featuring a large protective rock in the form of a 13-meter-wide half-cave. Further afield, the König-Otto-Tropfsteinhöhle is renowned as one of Germany's most beautiful dripstone caves, with impressive stalactites, stalagmites, and sinter pools.
Many of the caves and rock formations in the region are accessible and suitable for families. The Robber's Cave, for instance, is easily reached via a short forest path, offering an engaging experience for children to explore. Sites like Schutzfels Pentling are also easily accessible, located right next to a bike path, making them convenient stops for families.
Yes, the Robber's Cave near Sinzing is known as a habitat for numerous bats. Visitors are advised to be quiet and respectful to avoid disturbing them. Exploring such natural habitats offers a chance to observe local wildlife in their natural environment.
Accessibility varies by site. Many natural rock formations and smaller caves, like the Robber's Cave and Schutzfels Pentling, are easily accessible via short paths or are located directly alongside trails. However, some historical sites, such as the Loch Cave Castle Ruins, may have restricted access due to preservation efforts or safety concerns. Larger show caves further from Pettendorf, like König-Otto-Tropfsteinhöhle, typically offer well-developed paths and facilities for visitors.
Yes, the region around Pettendorf offers various hiking opportunities that can include cave exploration. For instance, the 'Labertal Wall, Schönhofen – Loch Cave Castle Ruins loop from Nittendorf' is a difficult mountain hike that passes by the Loch Cave Castle Ruins. You can find more hiking routes in the area by exploring the Hiking around Pettendorf guide or the Mountain Hikes around Pettendorf guide.
The best time to explore caves in the Pettendorf area generally depends on the type of cave. For natural rock shelters and easily accessible caves like the Robber's Cave, spring through autumn offers pleasant weather for hiking to the sites. If visiting caves that are bat habitats, it's often best to avoid disturbing them during their hibernation period in winter. Show caves, like König-Otto-Tropfsteinhöhle, are typically open year-round with controlled environments.
When visiting caves, especially natural ones, it's advisable to wear sturdy, comfortable shoes suitable for uneven terrain. Even in summer, cave interiors can be cool, so a light jacket or sweater is recommended. For exploring deeper sections or less-developed caves like the Robber's Cave, a flashlight or headlamp is essential to navigate dark areas and appreciate the formations.
Yes, if you're willing to travel a bit further, the wider Upper Palatinate region offers impressive cave systems. The König-Otto-Tropfsteinhöhle in Neumarkt in der Oberpfalz is considered one of Germany's most beautiful dripstone caves. Another significant option is the Teufelshöhle (Devil's Cave) near Pottenstein in Franconian Switzerland, which is the largest of approximately a thousand caves in that region and features extensive halls and impressive stalactites.
For publicly accessible natural caves and rock formations like the Robber's Cave or Schutzfels Pentling, no special permits are typically required for general visitation. However, if you plan to engage in more extensive caving or explore restricted areas, it's always best to check with local authorities or caving clubs for specific regulations and safety guidelines.
For many outdoor natural cave sites and rock shelters, dogs are generally permitted, especially if they are part of a hiking route. For example, the Robber's Cave is accessible via a forest path, making it suitable for dogs on a leash. However, for managed show caves or protected historical sites, it's always best to check their specific rules regarding pets beforehand.
The time required to explore varies greatly depending on the cave. Smaller, easily accessible sites like Schutzfels Pentling or the Grotto Chapel in the Rock might only take 15-30 minutes to visit. For the Robber's Cave, you might spend 30-60 minutes exploring its interior. Larger show caves further away, like König-Otto-Tropfsteinhöhle, often have guided tours that can last 45-90 minutes.


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