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Bezirk Hermagor
Kötschach-Mauthen

Carnic High Trail 403

Hard

4.8

(73)

477

hikers

Carnic High Trail 403

07:48

16.6km

1,250m

Hiking

Hike the difficult 10.3-mile Karnischer Höhenweg from Mauthen to Lago Volaia, gaining 4093 feet with stunning alpine views and history.

Last updated: February 26, 2026

Tips

Includes segments that may be dangerous

Parts of this route comprise highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.

After 5.19 km for 1.79 km

After 10.3 km for 1.79 km

Waypoints

A

Start point

Parking

Get Directions

1

1.54 km

Valentinalm Inn

Highlight • Mountain Hut

Super nice inn 🍻

Closed on Tuesdays

valentinalm.at

Translated by Google •

Tip by

2

3.36 km

Refreshment for the dog

Highlight • Other

3

4.37 km

Obere Valentinalm

Highlight • Mountain Hut

Winter survey in the Valentina valley

Tip by

4

4.52 km

Here is a good break.

Translated by Google •

Tip by

5

4.61 km

Bianca's Törl

Highlight • Mountain Pass

6

4.78 km

Marmot Valley

Highlight • Natural

Numerous marmots live here and can be observed from a few meters away.

Translated by Google •

Tip by

7

6.92 km

Valentin Pass

Highlight • Mountain Pass

If you arrive here, take a break too. Nice view in both directions

Translated by Google •

Tip by

8

8.21 km

Wonderful view of the neighboring valley from the pass and of the Rifugio Lamberthengi, which will hopefully reopen soon.

Translated by Google •

Tip by

9

8.31 km

Trenches can be visited freely.

Translated by Google •

Tip by

10

8.47 km

Lago Volaia

Highlight • Lake

B

16.6 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

9.32 km

6.12 km

554 m

486 m

132 m

Surfaces

14.2 km

831 m

540 m

519 m

496 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Thursday 2 July

22°C

11°C

-- %

Additional weather tips

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Comments

September 21, 2024,Untere Valentinalm - Wolayer See
A beautiful hike that requires surefootedness, however. But you will be rewarded with beautiful views, great mountains and a wonderful lake.

You can park at the hut on the lower Valentinalm. Parking is free for overnight guests, everyone else must bring €5 in coins.

Showing Translation

Nothing, they don't get involved with the staff of the Austrian shelter... for years, dislike on sight, practically mutual

Showing Translation

October 3, 2021,Valentintörl
Our destination was actually the Wolayersee, but because of bad weather (storm and fog) we decided to turn around at the Törl.

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Frequently Asked Questions

How difficult is the Karnischer Höhenweg from Mauthen to Lago Volaia?

This section of the Karnischer Höhenweg is rated as difficult. It's a demanding high-alpine route suitable for experienced hikers with good fitness and sure-footedness. You can expect varied terrain, including rocky and steep paths, and potentially snowfields in early summer. While some individual segments might be considered moderate, the overall challenge requires preparation for steep ascents and descents.

Where can I park and access the trailhead for this route?

The trail starts from Mauthen. While specific parking details aren't provided, Mauthen serves as a common base camp for the Karnischer Höhenweg, suggesting parking options are available in the village. It's advisable to check local information for designated trailhead parking before your visit.

Is the Karnischer Höhenweg from Mauthen to Lago Volaia dog-friendly?

Yes, the trail is generally dog-friendly. One of the highlights along the route is even marked as Refreshment for the dog. However, given the challenging high-alpine terrain, steep sections, and potential for rocky paths, ensure your dog is fit and accustomed to such conditions. Always keep your dog on a leash, especially near alpine pastures or wildlife, and be prepared to carry enough water for both of you.

Do I need any permits or is there an entrance fee for the Carnic Alps UNESCO Geopark?

No, there are typically no specific permits required or entrance fees to hike this section of the Karnischer Höhenweg or to access the Carnic Alps UNESCO Geopark. However, always respect local regulations, especially concerning nature protection and private property. Accommodation in mountain huts will, of course, incur a fee.

What is the best time of year to hike this section of the Karnischer Höhenweg?

The best time to hike this high-alpine route is generally from late June to early September. During early summer, you might still encounter snowfields, especially in higher, shaded areas. Always check weather forecasts and trail conditions before heading out, as bad weather can significantly increase the difficulty.

What kind of terrain can I expect on the trail?

The trail offers varied alpine landscapes. You'll traverse idyllic alpine pastures, dense stone pine forests, barren mountain meadows, and rocky paths. Much of the route involves walking along mountain ridges, providing continuous panoramic views. The path to Lago Volaia can include gravel roads, simple mountain paths, and increasingly steep ascents, with some sections being rocky and steep.

What are the main points of interest or viewpoints along the route?

This route is rich in natural beauty and historical sites. Highlights include the Valentinalm Inn and Obere Valentinalm, the Clear Stream at Obere Valentinalm, and scenic mountain passes like Bianca's Törl, Valentin Pass, and Wolayer Pass and view of Rifugio Lambertenghi. You'll also pass through the Marmot Valley and encounter World War I outposts in the Monte Coglians group before reaching the stunning Lago Volaia.

What is the historical significance of this trail?

The Karnischer Höhenweg, also known as the Carnic Peace Trail (Friedensweg), holds profound historical significance as it was the front line between Austria and Italy during World War I. Along the route, especially near Lago Volaia, you'll find numerous remnants of the conflict, such as old military trails, trenches, bunkers, and fortifications carved into the rock, serving as poignant reminders of its past.

Are there any places to stay or eat along the trail?

Yes, well-equipped mountain huts are a key feature of the Karnischer Höhenweg, providing accommodation and refreshment. Along this specific section, you'll find the Valentinalm Inn and Obere Valentinalm, which offer opportunities for a break or an overnight stay. These huts are popular and can be a sociable experience.

Does this section of the Karnischer Höhenweg connect with other trails?

Yes, this route is part of a larger network of trails. It covers significant portions of the European long distance path E10, Austria (Nassfeld to Silian), the main Karnischer Höhenweg 403, and the Kärntner Grenzweg. You'll also find it intersecting with sections of the Südalpenweg 03, Via Alpina Red R21, and the Geotrail Wolayasee, among others.

Are there any specific challenges or insider tips for hiking this route?

Be prepared for rapid weather changes in the high-alpine environment; conditions can shift quickly, increasing difficulty. While the segment to Lago Volaia is sometimes rated 'moderate' individually, it still requires good preparation. An insider tip is to be aware that some parts of the broader KHW are exposed and may require cable-assisted climbing, though this specific segment might be less extreme. Always carry sufficient water, especially if hiking with a dog, as natural water sources might be seasonal.

Nearby routes

Moderate

4.8

879

Lago Volaia Heart-Shaped Lake Trail (CAI 144)

03:32h

6.75km

610m

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