Best natural monuments around Altdorf bei Nürnberg are found within a region characterized by unique geological formations and picturesque landscapes. The area, part of the Nürnberger Land district, offers diverse natural features. These sites provide opportunities for hiking and exploring the natural environment. The landscape includes impressive gorges, historical caves, and scenic viewpoints.
Last updated: May 13, 2026
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Devilish places
The sandstone cave in the Schwarzachklamm got its name from the Swedish king Gustav Adolf, who is said to have attended a sermon given by the Nuremberg pastor Cornelius Mareius there in 1632 after a battle victory in the Thirty Years' War. It is the largest of the erosive washes in the Schwarzach Gorge. https://urlaub.nuernberger-land.de/detail/id=6220ae58f24f424775ea02b6
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In fact, everything has already been said here. The hiking trail between the Schwarzach and Karlshöhle is unparalleled. But not on the weekend.
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The cave together with the Schwarzach is a highlight in the area. Avoid walking on Sundays and public holidays. It starts with the parking lot.
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The Schwarzachschlucht is an approximately 2.2 kilometer long, gorge-like river valley south of Schwarzenbruck in the Central Franconian district of Nürnberger Land in Bavaria. It is named after the Schwarzach river. The gorge is a nature reserve and a popular local recreation area. On the north bank of the river, hiking trails and a geological nature trail with information boards lead through the gorge. There is a former rocky path on the south bank, but it is now closed due to the risk of falling. There are also some abandoned quarries there. Water sports are not possible on the river. Source: Wikipedia
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The Karlshöhle with its small spring outlet is one of the two largest caves here in the Schwarzachklamm.
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The small river Schwarzach has cut deep into the Burgsandstein between the Schwarzenbruck district of Gsteinach and the bridge canal of the Ludwig-Danube-Main Canal. The middle castle sandstone was formed about 215 million years ago during the Mesozoic (Triassic). This type of rock is widespread in western and southern Middle Franconia[6]. Hard and resistant rock like the Burgsandstein narrows a valley to a gorge. The erosive power of the river could only cut into the rock along fissures and faults. The hard sandstone types form the steep gorge walls. Less hard rock layers such as clay layers and weak zones led to the riparian areas being undermined, especially during high water. This resulted in scours, overhanging roofs and surf caves. The two largest caves of this type are the Karl's Cave and the Gustav Adolf Cave. Source: Wikipedia
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Please note: Cycling and mountain biking are prohibited in the Schwarzachklamm nature reserve. Please park your bike and explore the natural experience of the Klamm on foot!
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Named after the Swedish king Gustav Adolf, who is said to have attended a sermon given by the Nuremberg pastor Cornelius Mareius there in 1632 after a battle victory in the Thirty Years' War.
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The region is rich in geological wonders. You can explore impressive gorges like the Schwarzach Gorge (Schwarzachklamm), known for its river-carved rock formations and status as one of Bavaria's most beautiful geotopes. Another notable site is the Teufelskirche Gorge, which features Rhät Sandstone formations, wooden bridges, and a small waterfall.
Yes, several natural monuments also hold historical significance. Within the Schwarzach Gorge, you'll find the Karl's Cave and the Gustav Adolf Cave. The Gustav Adolf Cave is particularly notable as it was visited by Swedish King Gustav Adolf II during the Thirty Years' War. The Teufelskirche Gorge also features tunnels up to 70 meters long, remnants of past lignite and silver mining attempts.
The area around Altdorf bei Nürnberg offers diverse outdoor activities. You can find numerous routes for gravel biking, mountain biking, and general cycling. For example, you can explore routes like the 'View of Burg Thann – Schwarzach Valley Trail loop' for gravel biking, or the 'Ludwig-Danube-Main Canal – Art on the Canal – Jacob’s Ladder loop' for mountain biking. Cycling routes like 'Rund um Altdorf' are also available. You can find more details on these activities in our guides for Gravel biking around Altdorf bei Nürnberg, MTB Trails around Altdorf bei Nürnberg, and Cycling around Altdorf bei Nürnberg.
Absolutely. The Schwarzach Gorge (Schwarzachklamm) is described as an adventure playground for all ages, with an easy path suitable for the whole family. Both Karl's Cave and Gustav Adolf Cave, located within the gorge, are also considered family-friendly attractions.
The natural monuments, particularly the Schwarzach Gorge, are enjoyable in every season. Each season offers a different perspective on the landscape, from lush greenery in spring and summer to vibrant colors in autumn and a serene atmosphere in winter. However, some areas like the Teufelskirche Gorge may be muddy, so waterproof footwear is recommended, especially after rain or in wetter seasons.
For exploring gorges like the Teufelskirche Gorge, which involves navigating wooden bridges and stone blocks, waterproof footwear and good sure-footedness are highly recommended due to potentially muddy conditions. Sturdy shoes are generally advisable for all trails within the natural monuments, especially when visiting caves or areas with uneven terrain.
For breathtaking views, visit the View of Happurger See from Hohler Fels. This viewpoint offers remarkable vistas over the Happurger See and the surrounding landscape. It's a popular spot for a rest with expansive views.
The Schwarzach Gorge (Schwarzachklamm) is highly popular, considered one of Bavaria's most beautiful geotopes and a protected area since 1936. Visitors frequently praise its impressive rock formations and the scenic path along the Schwarzach River. The View of Happurger See from Hohler Fels is also a favorite for its magnificent panoramas.
The Teufelskirche Gorge is unique for its mystical environment carved into Rhät Sandstone. It offers an adventurous path with wooden bridges and stone blocks, culminating in a small waterfall. Beyond its natural beauty, it also features historical tunnels, up to 70 meters long, which are remnants of past lignite and silver mining, adding a layer of historical intrigue to the natural exploration.
When exploring the Schwarzach Gorge, remember that cycling and mountain biking are prohibited in the nature reserve; it's best explored on foot. Sturdy shoes are recommended for the path that winds past beautiful and bizarre rock formations, as well as two caves and a spring. It's a great place for an easy hike, and there's even a possibility to stop at the beer garden/restaurant Brückkanal.
The terrain varies, but you can expect paths through gorges with river-carved rock formations, potentially muddy sections, and areas requiring sure-footedness, especially in places like the Teufelskirche Gorge with its wooden bridges and stone blocks. Trails often lead through forests and along rivers, offering a mix of easy walks and more adventurous sections.


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