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Tarn

Tarn

The Top 20 Natural Monuments in Tarn

Tarn’s landscape is a beautiful place to explore — something that you can best experience by visiting one of our 20

beautiful natural monuments in Tarn. To help you find the one for, you can see all the details you need to explore the best natural monuments, and better plan your next outdoor adventure!

Last updated: November 14, 2025

Ambialet Isthmus and Ambialet Hydroelectric Power Plant

Highlight • Natural Monument

If the peninsulas formed by meanders are relatively common, here the isthmus which prevents the Tarn from shooting straight is only about ten meters wide, which makes it the narrowest …

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Sidobre Rocks – Trail of Wonders

Highlight • Natural Monument

If the Sidobre (region in the south of the Massif Central, a few minutes from Castres) is known for its granite territory rich in chaos and monoliths, the wonder trail …

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Arifat Waterfalls

Highlight • Waterfall

You have to cross the stream by a footbridge to be able to observe, in a row, the Arifat waterfalls. The highlight of the visit is undoubtedly this impressive 80-meter …

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Orientation Table of the Peyro Clabado

Highlight • Viewpoint

The Peyro Clabado trail allows you to reach a nice view from the Peyro Clabado which is itself a real curiosity since this 780-ton block defies gravity on its tiny base.

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Dourgne Pass

Highlight (Segment) • Mountain Pass

Regular climb with a good coating. Watch out for trucks at the start.

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Maraval Dunes Trail

Highlight • Trail

This site of the dunes of Maraval is magnificent, it deserves a detour but also a lot of respect.

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Summit of the Oppidum de Berniquaut

Highlight • Summit

The highest point was occupied mainly during the medieval period.

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Row of Pollarded Mulberry Trees of the Tarn

Highlight • Natural Monument

An original segment that will delight the naturalist cyclist. Slightly set back from the Tarn, we find a singular alignment of mulberry trees which are regularly pollarded. this ancestral practice …

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Small Caves of the Haut-Languedoc Regional Natural Park

Highlight • Cave

Archaeologically, this section is particularly interesting, as some remnants of earlier times can be admired. Informative boards give good information.

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Lac du Merle

Highlight • Lake

Small lake covered with hundreds of water lilies! Not enough water and too much mud to make it a swimming lake but it's a bird's paradise.

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Other adventures in Tarn

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Extend your search for the best caves by checking out these guides of the top ones in Tarn:

The Top 20 Natural Monuments in Tarn

Ambialet Isthmus and Ambialet Hydroelectric Power Plant

Sidobre Rocks – Trail of Wonders

Arifat Waterfalls

Orientation Table of the Peyro Clabado

Dourgne Pass

Maraval Dunes Trail

Summit of the Oppidum de Berniquaut

Row of Pollarded Mulberry Trees of the Tarn

Small Caves of the Haut-Languedoc Regional Natural Park

Lac du Merle

Other adventures in Tarn

Most popular routes in Tarn

Most popular attractions in Tarn

Get inspired with the komoot mobile app

Explore more

Get ready to conquer new peaks

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