Best canyons around Semmering are found within a region celebrated for its mountain landscapes and the UNESCO World Heritage Semmering Railway. While the area is known for extensive hiking, distinct named canyons beyond specific gorges are less common. The region features notable narrow valleys and ravine-like areas, offering diverse natural experiences. These include the prominent Höllental and other scenic trails that traverse gorge-like terrain.
Last updated: May 13, 2026
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Popular around Semmering
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Hiking around Semmering

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Cycling around Semmering
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A nice trail through the forest, but surefootedness is still required; it's quite steep. A rope is provided for stopping throughout the more difficult section. No sandals, toddlers, or strollers recommended!
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The "Eng" is a very picturesque gorge where you can still see reconstructions of the timber harvesting 150 years ago.
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The Mariensteig is a mostly wide, well-secured and rather easy path that can also be walked by people with a fear of heights or children who are experienced in off-road terrain, with a wire rope providing additional safety.
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Part of the ascent/descent that you can't avoid ;-)
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The photo does not show the Mariensteig, but the Holzriese, coming from the Lackabodengraben
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The Höllental between Schneeberg and Rax is one of the most idyllic places in the Vienna Alps. Not only because the fresh Schwarza makes for a special experience, but also because hikers get their money's worth. In gravel bays there are sunny and shady spots to take a breather. Source: https://www.wieneralpen.at/wasserleitungsweg-hoellental
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The Semmering region features a few notable gorges and narrow valleys. The most prominent are the Adlitzgraben Gorge, known for its connection to the UNESCO World Heritage Semmering Railway, and the area around Klamm, which combines natural beauty with historical ruins. The broader Höllental Valley, while not a narrow canyon in the immediate vicinity, is a significant natural area offering diverse activities.
The Adlitzgraben Gorge is intrinsically linked with the UNESCO World Heritage Semmering Railway. It's known for its dramatic rocky cliffs and the iconic Adlitzgraben Viaduct. Beyond its historical significance and scenic beauty, it's also a recognized climbing destination with nearly 200 routes on limestone rock.
The idyllic village of Klamm offers a blend of nature and history. You can explore the area around the picturesque Burgruine Klamm, which is perched on a rock cone. Klamm is an excellent starting point for various hikes, including the "Kleine Klammrunde," a family-friendly loop that passes the ruin and offers rewarding views.
The Höllental Valley, also known as "Hell's Valley," is a 16.5 km long valley between the Schneeberg and Rax mountains, through which the River Schwarza flows. It's celebrated for its natural beauty, steep jagged rocks, and is part of a Natura 2000 region. You can experience fresh river waters and idyllic landscapes, especially along the 1st Vienna Water Pipeline Trail (Wasserleitungsweg) – Höllental.
Yes, there are options suitable for families. The "Kleine Klammrunde" near Klamm is a short and family-friendly local hike. Additionally, the Mariensteig Trail, while featuring gorge sections, is mostly wide, well-secured, and can be walked by children experienced in off-road terrain, with a wire rope providing additional safety in places.
Beyond the UNESCO World Heritage Semmering Railway viaducts like the Adlitzgraben Viaduct, you can find the impressive Burgruine Klamm. Another historical highlight is the Historic timber chute in the Eng Gorge, which showcases remains of a large wooden transport system once used to bring timber down the valley.
The region around Semmering offers a variety of outdoor activities. You can find numerous mountain hikes, running trails, and MTB trails. The Höllental Valley is also popular for recreational activities like swimming and wild water kayaking in the Schwarza river, fly fishing, and serves as a starting point for alpine tours to the Schneeberg and Rax mountains.
Yes, for those seeking a challenge, the Teufelsbadstubensteig via ferrata in the Höllental is a scenic Rax-climbing route (category B). It offers a high adventure value with ladders, a cave, and great exposure, though climbers should be aware of potential falling stones.
Visitors frequently praise the stunning natural beauty, the impressive views of the UNESCO World Heritage Semmering Railway, and the diverse hiking opportunities. The combination of historical sites like castle ruins and engineering marvels with wild, romantic gorges and fresh river landscapes is particularly appreciated.
Yes, many trails are dog-friendly. However, it's important to be prepared for specific sections. For instance, the 1st Vienna Water Pipeline Trail (Wasserleitungsweg) – Höllental has sections with lattice parts along the rock and lattice stairs, so dogs (and their owners) should be comfortable with this terrain.
The best time to visit largely depends on your preferred activities. Spring and autumn offer pleasant temperatures for hiking and exploring the historical sites. Summer is ideal for water-based activities in the Höllental, while the region also offers options for winter hiking, though specific gorge access might vary with snow conditions.
Yes, the Bahnwanderweg (Railway Hiking Trail) is a popular option that allows you to experience the UNESCO World Heritage Semmering Railway up close. This trail passes through areas like Klamm and offers views of iconic structures such as the Adlitzgraben Viaduct, allowing you to combine nature exploration with an appreciation for this engineering marvel.


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