Canyons around Sankt Nikola an der Donau are primarily characterized by deep gorges, locally known as "Klamm," carved through the landscape of the Strudengau region in Upper Austria. This area, nestled along the Danube, features dramatic natural waterways and geological formations. The region offers diverse natural experiences, from wild streams to granite rock formations. It is recognized for its scenic beauty and engaging hiking opportunities.
Last updated: September 26, 2026
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Starting point for the hike through the Stillensteinklamm. The Stillensteinklamm is one of the most beautiful hiking trails in the lower Mühlviertel and has been awarded the OÖ Hiking Seal of Quality.
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Great gorge, it's pure nature in there!
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Either return here or continue to Aumühle
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A very beautiful, impressive gorge.😍
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This gorge is really very impressive. Nature has created something amazing here.😍📸
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Nice and easy hike. We wanted to take the circular route, but unfortunately the path is poorly marked from Kreuzen Castle onwards. We didn't want to try this with children. Are back the same way.
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It's always an experience to hike through the Wolfsschlucht and to recharge your batteries.
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Nice, not too long hike with a wonderful view, which is also doable with children. The Burgstall Gorge is a special highlight for off-road children but also for adults. An approx. 20 m long rock crevice for slim people. But of course also the “summit victory” for young and old.
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The region around Sankt Nikola an der Donau is known for its dramatic gorges, locally called "Klamm." Key highlights include the Stillensteinklamm, famous for its underground cave system, the Wolfsschlucht Nature and Culture Trail with its historical context, and the Klamschlucht Gorge, known for its bizarre rock formations. Other notable spots are the Wooden Bridge Over the Klamm Gorge and the Burgstallmauer Summit & Burgstall Gorge.
The Stillensteinklamm is particularly unique because the Gießenbach stream flows through an underground cave system in places. One cave is up to eight meters high and over 100 meters deep, giving the gorge its name ('still' because the stream disappears underground). It also features small waterfalls, cascades, and the impressive 'Stillen Stein,' a massive granite rock forming a natural resting place.
Yes, several gorges in the area are suitable for families. The Stillensteinklamm is considered a wonderful destination for young and old. The Wolfsschlucht Nature and Culture Trail offers an easy hike with historical information, and the Burgstallmauer Summit & Burgstall Gorge provides an adventure for children with its narrow corridor between large stones.
You can expect diverse natural features, including dramatic granite rock formations, small waterfalls, and large cascades. The gorges often feature moss-covered wild streams, dense forests, and unique geological formations like the 'Stillen Stein' in Stillensteinklamm or the bizarre rock formations in Klamschlucht Gorge, which have names like 'Dragon Hole' and 'Raven Stone'.
Yes, the region combines natural beauty with historical elements. The Wolfsschlucht Nature and Culture Trail provides insights into past spa operations and includes a climb up to a castle. Additionally, the area around Stillensteinklamm features historical elements such as Burg Werfenstein (Werfenstein Castle) and petroglyphs (rock carvings) near the gorge's entrance.
The hiking trails in the gorges around Sankt Nikola an der Donau range from easy to moderate. For example, the Stillensteinklamm offers moderate to easy options, making it accessible for various fitness levels. The Wolfsschlucht Nature and Culture Trail is described as a short but beautiful gorge with an intermediate climb to the castle, while the Wooden Bridge Over the Klamm Gorge offers a challenging hike.
The entrance to the Stillensteinklamm at Gießenbachmühle is reachable by car via the B3 road, approximately 3 km downstream from Grein. Another entry point is available at Gasthof Aumühle. For other gorges, it's advisable to check specific access points, but generally, the region is well-connected by road.
The gorges are beautiful year-round, but spring and autumn offer particularly pleasant hiking conditions with mild temperatures and vibrant foliage. During spring, the water flow in the streams is often more dramatic, while autumn provides stunning colors. Summer is also popular, offering a refreshing escape from the heat within the cool gorges.
Many trails in the region, including those through the gorges, are generally dog-friendly. However, it's always recommended to keep dogs on a leash, especially in nature protection areas or on narrow paths. Some sections, like the underground caves in Stillensteinklamm, might not be suitable for dogs.
Beyond exploring the gorges, the Sankt Nikola an der Donau region offers a variety of outdoor activities. You can find numerous easy hikes, such as the Giessenbach Mill – Stillensteinklamm loop, or the Stone Chamber – Giessenbach reservoir loop. For cyclists, there are road cycling routes like the Danube River – Yspertal loop. Runners can enjoy trails like the Giessenbach Mill – Stillensteinklamm loop from Gasthof Aumühle. You can find more details on these activities in the easy hikes guide, road cycling guide, and running trails guide for the area.
Yes, many gorge trails offer magnificent views. From viewpoints like the Werfensteinblick and Dichterstein, you can enjoy stunning vistas of the Danube Valley, including the island of Wörth and the Strudengau region. The Wooden Bridge Over the Klamm Gorge also provides excellent views of the natural monument it spans.
Near the Stillensteinklamm, you can find Gasthof Aumühle, which serves as an entry point and likely offers refreshments. After hiking through Stillensteinklamm, some visitors recommend stopping at a wellness hotel at the top for good food. Generally, towns like Grein and Sankt Nikola an der Donau offer various amenities.


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