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Germany
Rhineland-Palatinate
Landkreis Mayen-Koblenz
Andernach

Trass caves – Trass Caves Brohltal loop from Burgbrohl

Easy

4.5

(182)

507

hikers

Trass caves – Trass Caves Brohltal loop from Burgbrohl

01:11

4.16km

90m

Hiking

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: June 10, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Rhein-Ahr-Eifel

Waypoints

A

Start point

Parking

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1

1.19 km

Old Stone Bridge Over Brohlbach

Highlight • Bridge

A relic of past centuries, nestled in a moss-covered path and surrounded by a rushing stream.

Translated by Google •

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2

1.41 km

Trass caves

Highlight • Cave

"The sky in the Brohl Valley darkened as the Laacher See volcano erupted just five kilometers away. A blazing-hot mixture of lava particles and gases shot into the atmosphere at intervals. Each time the eruptive column collapsed, the material raced through the surrounding valleys as if on a cushion of air – ash and lava particles filled the valleys up to 60 meters high. The once loose materials of the pyroclastic flow have, over time, baked into a rock known in our region as "trass." The Romans already mined trass in the Brohl Valley and used it, among other things, for house construction. Finely ground, with the addition of lime and water, it produces a mortar that hardens even underwater. It is likely that it was the Dutch who promoted mining in the Brohl Valley since the 16th century, as trass is ideal for building dikes and harbor facilities. They were also the ones who gave the volcanic cement its name: "Tyrass" is Dutch for "glue." The trass walls you see from here have been hollowed out by mining and can be visited. Due to their poor quality, they were no longer of interest for mining and today are an impressive testament to the massive pyroclastic avalanche that once filled the entire valley.
eifel.info/a-trasshoehlen

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3

1.63 km

Trass Caves Brohltal

Highlight • Cave

The Trasshöhlen and the Wolfsschlucht gorge, just a few minutes away, are the two absolute hiking highlights in the Brohltal valley.

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4

1.78 km

Brohltalbahn Viaduct

Highlight • Bridge

From there I started. Very good parking right under / next to the viaduct.

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5

2.49 km

Wolf Gorge Waterfall and Trass Cliffs

Highlight (Segment) • Gorge

You should definitely go there during the week, on the weekend it is quite crowded. But it's worth it.

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6

3.41 km

Wolf's Gorge Waterfall

Highlight • Waterfall

Shortly after leaving the village in the direction of Brohl-Lützing, the road branches off to Wassenach through the Tönissteiner valley. The Tönissteiner Bach runs parallel to the road, which has dug deep into the ejecta of the last eruption of the Laacher See volcano around 13,000 years ago and created the so-called Wolfsschlucht. It looks like hiking through a canyon, pristine nature and a waterfall enchant this great valley, absolutely worth seeing!

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7

3.50 km

Wolfsschlucht — Exposed Tree Roots

Highlight • Natural Monument

Old tree with exposed roots, looks like in a fantasy film, really great! In the Wolfsschlucht one encounters several of these little wonders!

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8

3.65 km

Exposed Beech Roots in Wolfsschlucht

Highlight • Natural Monument

Erosion and the steep gradient of the gorge have exposed the roots of the ancient beech trees – they literally dig into the moss-covered rocks and, in some cases, hang freely over the hiking trail. The tangle of roots appears like a natural work of art, lending the gorge an almost mystical atmosphere.

Translated by Google •

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B

4.16 km

End point

Parking

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Way Types & Surfaces

Way Types

3.04 km

775 m

178 m

< 100 m

< 100 m

Surfaces

3.54 km

339 m

205 m

< 100 m

< 100 m

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Elevation

Elevation

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

Highest point (210 m)

Lowest point (120 m)

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Weather

Powered by Foreca

Wednesday 24 June

36°C

21°C

0 %

Additional weather tips

Max wind speed: 9.0 km/h

to get more detailed weather forecasts along your route

Comments

July 9, 2023,Wolfsschlucht – Trasshöhlen Runde von Kell
At 36 degrees, now I know why these measly 5 km are considered difficult 🤣🙈🤣 but it was cool, even if there had to be a drinking break often. The right photos will come in the next few days 🫠

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October 30, 2022,Sonntagswanderung
It was a lot of fun. I would recommend

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Small hike, super nice and varied.

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