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Austria
Upper Austria
Bezirk Kirchdorf

Kalkalpen National Park

Top 6 Gorges in Kalkalpen National Park

Best canyons in Kalkalpen National Park are found within Austria's Northern Limestone Alps, a region characterized by wild forests, mountain peaks, and abundant water features. The park's landscape includes numerous hidden gorges and untouched mountain streams, shaped by a rugged, karstified topography. This area is recognized as Austria's largest forest wilderness and a UNESCO World Natural Heritage Site, particularly for its ancient beech forests. Exploring its canyons offers insight into the park's natural environment and geological formations.

Best canyons in…

Last updated: June 29, 2026

Tunnel Chain of the Reichraming Forest Railway

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You drive through many tunnels, some of which are very long - be sure to take a light with you!

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Große Klause Gorge

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The Great Dam is the oldest dam in the Hintergebirge. Between the two tunnels you can descend to the gorge on a replica of Triftsteig.

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Große Klause and Tunnel Gallery

Highlight (Segment) • Gorge

The large hermitage is a place where the water used to be dammed. Then wood was washed with it. The tunnel galleries were largely built for the railroad to transport timber

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Bodinggraben

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The Bodinggraben is one of the most beautiful valley heads in the Kalkalpen National Park. A rest in the nearby "Jagahäusl" is highly recommended. It is currently being renovated, you can find information about opening hours here: wildniswandern.kalkalpen.at/de/huette/jagahaeusl/9954310.

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Through the Laussabach Valley

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The road meanders through the deeply cut valley past breathtaking cliffs. The Laussabach follows the road rushing, close to the road. In the middle of this fascinating landscape, you will …

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Walter W.
August 5, 2025, Große Klause and Tunnel Gallery

A must-see at least once in your life.

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Impressive narrow passage with unfortunately very dark tunnel passage

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Impressive

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Very pleasant in the heat when you drive through one of the tunnels every now and then.

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Pictures speak more than a thousand words, simply beautiful.

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I recommend taking a light with you and taking off your sunglasses :-)

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I whistle through the tunnels so pedestrians can hear me. Light is in the tunnels (solar power)

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What the water creates - unbelievable such a slit in the rock.

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Frequently Asked Questions

What makes the canyons in Kalkalpen National Park unique?

The canyons in Kalkalpen National Park are part of Austria's largest forest wilderness and a UNESCO World Natural Heritage Site, known for its ancient beech forests. They feature deeply incised valleys, dynamic waterways, and impressive rock formations, shaped by a rugged, karstified topography. You'll find wild forests, mountain peaks, and abundant water features, including hidden gorges and untouched mountain streams.

Are there any historical sites within the canyons of Kalkalpen National Park?

Yes, the park features significant historical sites related to timber transport. For instance, the Tunnel Chain of the Reichraming Forest Railway is an old forest railway path with 17 tunnels, now a popular cycle path. The Große Klause Gorge also highlights the historical practice of timber floating, with a replica of the Triftsteig path.

What are some family-friendly options for exploring the gorges?

For a family-friendly experience, Bodinggraben is highly recommended as one of the most scenic valley heads in the park. The Tunnel Chain of the Reichraming Forest Railway, now a cycle path, also offers a unique and engaging experience for families.

What kind of terrain can I expect when visiting the canyons?

The terrain in the canyons varies. You can expect rugged, karstified landscapes with numerous ravines, dynamic waterways, and impressive rock formations. Some areas, like the Tunnel galleries in the valley of the Großer Bach, feature multiple tunnels, while others, like the Große Schlucht, offer secured via ferrata paths along streams.

Is there a specific trail that offers a thrilling experience?

The Große Schlucht (Great Gorge) offers a thrilling experience via the Triftsteig, a secured via ferrata that follows the Großer Bach stream. This path, historically used by lumberjacks, allows you to traverse the canyon's raw beauty and refreshing natural water basins. It can be accessed as part of a longer excursion, often combined with cycling along the Hintergebirgsradweg.

What is the best time of year to visit the canyons in Kalkalpen National Park?

The canyons are particularly refreshing in summer, especially areas like the Tunnel galleries in the valley of the Großer Bach, where the tunnels offer a cool escape. Spring and autumn also provide beautiful scenery with lush greenery or vibrant fall colors, though some paths might be affected by snowmelt or early snow in the shoulder seasons.

What outdoor activities can I do near the canyons?

Near the canyons, you can enjoy a variety of outdoor activities. There are numerous MTB trails, including routes like the 'Ascent to Anlaufalm – Waldbahn Tunnel loop'. For hikers, the park offers diverse hiking trails, such as the 'Luchs Trail Stage 2' or 'Schaumbergalm and Ebenforstalm from Molln'. You can also find challenging mountain hikes like the 'Hohe Nock – View of Hohen Nock loop'.

What should I bring or wear when exploring the tunnels in the gorges?

When exploring areas with tunnels, such as the Tunnel galleries in the valley of the Großer Bach, it is highly recommended to bring a light or headlamp, as some tunnels are very long and can be dark. The tunnels are also nice and cool, making them particularly refreshing in summer.

Are there any viewpoints offering panoramic views of the gorges?

Yes, several gorges offer excellent viewpoints. The Große Klause Gorge is noted for its scenic beauty and offers great views. Additionally, the Through the Laussabach Valley highlight describes breathtaking cliffs and impressive nature along the route.

What wildlife might I encounter in the canyons of Kalkalpen National Park?

Kalkalpen National Park is Austria's largest forest wilderness, known for its diverse species. While specific canyon wildlife isn't detailed, the park is home to a variety of forest animals, including deer, chamois, and various bird species. The untouched nature of the gorges provides a habitat for many creatures, and if you're lucky, you might spot some of the park's elusive inhabitants.

Where can I find information about permits or access restrictions for the canyons?

For detailed information on permits, access restrictions, or specific trail conditions within Kalkalpen National Park, it's best to consult the official park website. You can find general information about the park at nationalparksaustria.at.

Are there places to eat or stay near the canyons?

While the park emphasizes wilderness, there are amenities available. Near Bodinggraben, the nearby 'Jagahäusl' is a recommended spot for a rest, though it's advisable to check its current opening hours. For broader options, the surrounding towns and villages near the Kalkalpen National Park offer cafes, pubs, and various accommodation choices.

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Already discovered everything in this region? See additional gorges in Kalkalpen National Park for your next adventure:

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