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Belgium
Wallonia
Neufchâteau
Bouillon

Roche à Colas Trail

Easy

4.5

(105)

385

hikers

Roche à Colas Trail

02:00

6.96km

160m

Hiking

Hike the easy 4.3 miles (7.0 km) Roche à Colas Trail in Semois Valley National Park, enjoying viewpoints and natural features.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc national de la Vallée de la Semois

Parc naturel de l'Ardenne méridionale

Waypoints

A

Start point

Bus stop

Get Directions

1

1.71 km

Roche à Colas Tcha Tcha

Highlight • Viewpoint

The rock at Colas Tcha Tcha is a panoramic viewpoint located in the Bouillon region in the Ardennes, Belgium. It offers a breathtaking view of the rock and the Aleines stream, a wild and magnificent watercourse. The trail to reach this viewpoint is challenging but rewarding, as you will cross bridges, climb hills, and enjoy nature.

Translated by Google •

Tip by

2

4.05 km

Rock that appeals to the imagination in times of the witch persecution.
Here, women suspected of witchcraft made the leap of their lives.

Translated by Google •

Tip by

3

4.35 km

After a steep climb you will be rewarded with a beautiful view ...

Translated by Google •

Tip by

4

6.11 km

La Pierre Levée and BBQ Shelter

Highlight • Natural Monument

This menhir "Le Tournant de Saint-Joseph" was discovered in 1977. In a certain daylight, this stone in profile would represent a head with forehead and nose. This Neolithic stone has since attracted many historians, archaeologists and folklorists. It is said to have been reused in 644 as a Merovingian boundary marker of Siegbert III - King of the Franks from 633 to 656.

Translated by Google •

Tip by

B

6.96 km

End point

Bus stop

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Way Types & Surfaces

Way Types

3.36 km

1.83 km

1.58 km

< 100 m

Surfaces

2.27 km

1.58 km

1.20 km

684 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 (320 m)

Lowest point (250 m)

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Weather

Powered by Foreca

Thursday 9 July

32°C

14°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

Comments

May 19, 2025,BE-Ardennes: Auby-sur-Semois - Au fil des Aleines
This is a very beautiful route, with mostly beautiful forest paths and some lovely spots along the banks of the Aleine River. A short section through La Connette has to be covered on a very quiet road (we didn't encounter any cars).

Showing Translation

Les Hayons - Under the spell of Witches and legends - Day 5/5

On the last day of our midweek we are awakened by hunting horn blowers.
November 11 – Feast of the Hunt (…and my birthday).


The city of Bouillon is besieged by hunting fanatics on this holiday.
Early in the morning we wisely choose the hare path towards …

Showing Translation

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Frequently Asked Questions

How long does it typically take to hike this trail?

This hike, covering approximately 7 kilometers, generally takes around 2 hours to complete at a steady pace. This duration allows for enjoying the scenery and highlights along the way.

What is the difficulty level of the trail?

The Roche à Colas Trail is classified as an easy hike. With an elevation gain of about 164 meters, it's suitable for most hikers looking for a pleasant outdoor experience.

What kind of terrain can I expect on the route?

While specific terrain details for this exact route aren't provided, as an easy hike in the Semois Valley National Park, you can generally expect well-maintained paths, likely a mix of packed dirt, forest trails, and possibly some gravel sections. It's advisable to wear comfortable hiking shoes.

Are dogs allowed on the Roche à Colas Trail?

Generally, dogs are welcome on trails within the Semois Valley National Park, but they should always be kept on a leash to protect wildlife and ensure the safety of other hikers. Please check for any specific local regulations or signage at the trailhead.

What are the main points of interest along the trail?

The route offers several notable highlights. You'll encounter the Roche à Colas Tcha Tcha, a viewpoint, and enjoy a View of the Saut des Sorcières (Witches' Leap). There's also a View of the Semois River from Mont de Zatrou and the La Pierre Levée and BBQ Shelter, a natural monument.

Where can I park to access the trailhead?

The Roche à Colas Trail starts from La Cornette, which is a common access point for routes in the Vallee de la Semois National Park. Look for designated parking areas near La Cornette, as specific parking details can vary. It's always best to arrive early, especially on weekends, to secure a spot.

Do I need a permit or pay an entrance fee for the Semois Valley National Park?

Access to the trails within the Semois Valley National Park, including the Roche à Colas Trail, typically does not require a specific hiking permit or entrance fee. However, always check the official park website for any updated regulations or special event fees before your visit.

What is the best time of year to hike this route?

The trail can be enjoyed during most seasons. Spring brings lush greenery and blooming flora, while autumn offers spectacular fall colors. Summer is popular, but can be warmer. Winter hiking is possible, but always check local conditions for ice or snow, as some sections might become slippery.

Does this trail connect with other hiking paths?

Yes, this route incorporates sections of several official trails. You'll find yourself on parts of the 49 Promenade de la Roche à Colas (Les Hayons, Bouillon), 48 Promenade des Hautes Voies (Les Hayons, Bouillon), and the GR 16 Variante Les Hayons, among others. This offers a varied hiking experience within the broader network.

Is the Roche à Colas Trail suitable for families with children?

Given its 'easy' difficulty rating and moderate length, this trail is generally suitable for families with children who are accustomed to walking. The varied viewpoints and natural features can make it an engaging experience for younger hikers.

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