Best attractions and places to see in Naturschutzgebiet Raabklamm include Austria's longest gorge, characterized by the Raab River, steep cliffs, and diverse ecosystems. This Natura 2000 protected area spans approximately 17 kilometers, offering a landscape of crystal-clear waters and varied flora and fauna. The region provides numerous hiking opportunities through both challenging and accessible sections. It also features cultural insights like historical caves and old mills.
Last updated: May 8, 2026
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Popular around Naturschutzgebiet Raabklamm
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Naaser-Steg near the Gösser spring (Gänsbrunnen), with rest benches.
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A few parts of the large Raabklamm are secured with rope so that you can stop. But there are no difficult passages
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There are always bridges or footbridges leading over the Raab. The Naaser-Steg is a beautiful wooden bridge
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You pass this power plant along the Great Raabklamm hiking trail.
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The region is renowned for its dramatic natural landscapes. You can explore the Raabklamm Nature Reserve itself, which features steep cliffs, crystal-clear waters of the Raab River, and diverse ecosystems. The gorge is home to various protected species, including rare birds like the dipper and kingfisher, and bats in its numerous caves. You'll also find romantic footbridges and sections of both leisurely ripples and wild, rushing waters.
Yes, the area offers interesting cultural and historical insights. A prominent site is Katerloch, known as Austria's show cave with the most stalactites, featuring impressive formations in its 'Fantasy Hall' and 'Magic Kingdom'. Other nearby points of interest include the Grasslhöhle Cave, the historical Arzberg Silver Mine, and remnants of old mills along the Raab River, particularly in areas like the Bärental.
The Raabklamm is an excellent hiking destination with diverse routes. The Große Raabklamm (Great Raab Gorge) offers a more challenging, alpine experience with secured paths along rugged rock faces. For a gentler option, the Kleine Raabklamm (Small Raab Gorge) is more accessible and suitable for leisurely strolls. There are also popular circular trails, such as the Raabklamm circular trail starting in Arzberg, which takes about 5 hours.
Yes, the Kleine Raabklamm section is particularly suitable for families, offering more accessible paths. Some parts of the gorge are even accessible with prams or wheelchairs. The Naaser Steg bridge is part of the Klammweg and offers beautiful views, making it a pleasant stop for families. Additionally, the Bärental area features gravel, sand, and mud banks along the Raab, providing natural bathing spots during warm summer days.
Beyond exploring the attractions, the region offers various outdoor activities. You can find numerous hiking trails, including easy options like the 'Old Mine Shaft Arzberg – Parish Church of Arzberg loop' or the 'Hiking loop from Katerloch'. For cyclists, there are routes such as the 'St. Ruprecht an der Raab – Parish Church of Gleisdorf loop'. Runners can enjoy trails like the 'Raabklamm Nature Reserve loop from Mortantsch'. You can find more details on these activities in the easy hikes, cycling, and running guides for Naturschutzgebiet Raabklamm.
The Raabklamm is beautiful year-round, but the best time depends on your preferred activities. Spring and autumn offer pleasant temperatures for hiking and vibrant natural colors. Summer allows for natural bathing in the Raab's banks. For cave explorations like Katerloch, tours are available from April to November by prior arrangement.
Visitors particularly appreciate the raw natural beauty and the diverse hiking opportunities. Many describe the Raabklamm Nature Reserve as having 'everything that makes a beautiful gorge,' with its steep cliffs, boardwalks, and wild mountain stream. The varied terrain, from easy paths to sections with rope protection, is also highly valued, offering a 'varied, beautiful gorge' experience.
While many sections are accessible, parts of the Große Raabklamm feature secured paths and rope protection. After rain, some areas, particularly those with rope protection, can become muddy and slippery, so appropriate footwear is recommended. Always be mindful of the water level of the Raab River, as it can affect passage over stones in certain areas.
The duration of a hike in the Raabklamm varies depending on the section and route chosen. The Große Raabklamm is approximately 10 kilometers long and offers a more challenging experience. A popular circular trail starting in Arzberg is about 12 kilometers long and typically takes around 5 hours to complete. Shorter, more leisurely strolls are possible in the Kleine Raabklamm section.
Yes, Katerloch is open for visitors from April to November, but tours must be arranged by telephone in advance (+43 664 48 53 420). It's known for its immense stalactite formations, with tours lasting about two hours and involving around 400 steps and a 135-meter height difference. There is an admission fee, and a minimum number of participants is usually required.
The entire gorge offers numerous scenic spots, but specific highlights include the Naaser Steg, a beautiful wooden bridge that provides excellent views of the Raab River. The various footbridges and secured paths along the Raabklamm also offer picturesque perspectives of the steep cliffs and the flowing river, especially in the more dramatic sections of the Große Raabklamm.


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