Around the Viroin valley from Nismes

In the land of former clog-making workshops and sawmills, explore this region rich in historic sites and remarkable, unspoilt natural beauty. Set off to conquer the hills; your efforts will be rewarded with sumptuous landscapes and you’ll fall under the spell of the beautiful villages of Dourbes and Nismes.
The Eau Blanche takes its name from the chalky silt it carries, whilst the Eau Noire flows directly from the woods and is therefore crystal-clear. The two streams converge to form the Viroin.

Details

n°18725047
Creation:
Last update:
Last review:
  • Walking
    Activity: Walking
  • ↔
    Distance: 7.62 mi
  • ◔
    Average duration: 4h 05 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 633 ft
  • ↘
    Descent: - 640 ft

  • ▲
    Highest point: 833 ft
  • ▼
    Lowest point: 476 ft

Photos

Description of the walk

Car park at the old cemetery in Nismes, located on Rue du Fourneau.

(S/E) Leave the cemetery entrance behind you and head back towards the sawmill. When you reach a Fork in the road, follow the tarmac path to the right, which climbs towards the Tienne du Fourneau.

Red Rectangle markings

(1) Pass a road on your right and continue straight ahead up the road.

No red rectangular markings

Ignore the red markings heading off to the right; when you reach a crossroads, follow the wide track heading to the left.

(2) Stay on the main track, ignoring all paths and firebreaks coming from either the left or the right, and join the White Rectangle on red markings coming from the right.

White Rectangle on a red background

(3) Follow the path to the left, which runs along the ridge, until you reach a very steep descent leading down towards the Viroin valley and the village of Dourbes.

No white-on-red White Rectangle markings

Before reaching the bottom of the valley, leave the White Rectangle on red markings and take the path leading off to the right towards a vast meadow.

Red line on a white background

(4) At the fence, the path turns left then right and joins a dirt track. Follow it to the left and cross the bridge over the Viroin.

(5) Turn immediately left into Rue du Fays and walk alongside the river on your left. Pass the tables and benches at a picnic area and reach a car park opposite some beautiful stone houses; head to the left towards the glass recycling bins.

No signposting: red line on a white background
GR®® markings
(6) Before following the path, take a moment to look back and catch a glimpse of the ruins of Hauteroche Castle. The path leads to the Notre-Dame de Lourdes grotto at the foot of the church and joins Rue de Fagnolle. Walk past the school in Dourbes and head straight on towards the old town hall.
When you reach this building, ignore the streets branching off to the left and right and follow the narrow lane straight ahead.

(7) You’ll reach a junction; cross it carefully and continue straight ahead. Ignore the street coming from the left.

Off theGR®®

(8) A few metres further on, turn left onto Rue Tienne du Loret, passing an old, open-air washhouse. The road very quickly gives way to a wide stony track, which runs alongside chalets that are, in some cases, more or less abandoned. Continue along the track until you reach a junction with Rue de Mariembourg.

Green Rectangle signpost

(9) Follow it to the right and continue the climb. Ignore the paths to the left and right, pass a large information board and carry on towards the summit. Stay on the main track and begin the descent. Just at the edge of the woods, look out for a small, rustic wayside shrine on the right-hand side of the path (photo). Join a small path that heads left towards the Tienne aux Pauquîs.

(10) Follow the path that runs along the edge of the woodland and ignore the paths branching off to the left. If you happen to hear the sound of a steam locomotive, you’re not dreaming – it’s a train on the 3 Vallées Steam Railway. Before reaching a farm, join a stony track that descends to the right.

No green rectangular markings

(11) Follow this track, the Voye des Pauquîs, with a lovely view of the Roche à Lomme, topped by a cross, on your left.

(12) Cross the Eau Blanche and head towards Rue de la Station and the old Nismes station; follow the road to the right and cross the level crossing. You’ll reach a Y-junction.

(13) Leave the main road and take the left-hand branch. Follow the street until you reach the Chapelle Saint-Roch on your right, then almost immediately take the small path that descends to the left.

(14) The path very quickly joins Rue du Fourneau; follow it to the left. After crossing another bridge over the Viroin, leave the street as it turns left to enter the Jardin d’O. Cross a first bridge, then a second one to the left to walk alongside the artificial lake and return to the car park at the old Nismes cemetery (S/E).

Waypoints

  1. S/E : mi 0 - alt. 548 ft - Car park at the old cemetery in Nismes
  2. 1 : mi 0.18 - alt. 636 ft - Route
  3. 2 : mi 0.53 - alt. 728 ft - Wide track to the left
  4. 3 : mi 0.92 - alt. 748 ft - Markings: white rectangles on a red background
  5. 4 : mi 2.19 - alt. 522 ft - Start of the trail
  6. 5 : mi 2.44 - alt. 518 ft - Viroin (rivière) - Belgique
  7. 6 : mi 2.75 - alt. 495 ft - The path starts near the glass recycling bins
  8. 7 : mi 3.12 - alt. 515 ft - Former town hall in Dourbes
  9. 8 : mi 3.23 - alt. 554 ft - Rue Tienne de Loret
  10. 9 : mi 3.77 - alt. 659 ft - Junction with Rue de Mariembourg
  11. 10 : mi 5.43 - alt. 548 ft - Path to the left
  12. 11 : mi 6.4 - alt. 581 ft - Path leading to a farm
  13. 12 : mi 6.63 - alt. 486 ft - Eau Blanche (rivière) - Belgique
  14. 13 : mi 7.19 - alt. 528 ft - Fork
  15. 14 : mi 7.27 - alt. 538 ft - Path leading down to the left
  16. S/E : mi 7.62 - alt. 548 ft - Car park at the old cemetery in Nismes. After the - Eau Noire (rivière) - Belgique

Notes

In Nismes, there are plenty of shops, restaurants and cafés.
There are no water points along the route.
The route is not technically challenging, but the descent towards Dourbes can become slippery in wet weather; it is recommended that you use walking poles.
During the hunting season, check the hunting calendar. https://viroinval.be - Leisure - Sport - Walking - Hunting calendar. Or contact the tourist office on +32 60 31 16 35
Alternative car park: Rue Longue, behind the tourist office; from there, walk to the start via the Jardin d’O (approx. 700 m).
Please note that a market is held there on some Saturdays.
Alternative route: about 500 m after (9), take the path on the left (marked with a green square) to reach the magnificent viewpoint at La Roche à Lomme (approx. 1.6 km return).

Worth a visit

Take a stroll through the former municipal park, now known as the Jardin d’O.
Take a trip on an electric boat on the lake in the Jardin d’O.
The Eau Noire, which together with the Eau Blanche forms the Viroin, has a ‘double’ bed: part of the water flows underground, forming the Grottes de l’Adugeoir, and resurfaces at Nismes at a place known as ‘la résurgence’, just a few steps from the tourist office on Rue d’Avignon.
Visit the Grottes de l’Adugeoir in Couvin.
Take a trip back in time on the 3 Vallées Steam Railway.
Visit the Fondry des Chiens (very popular).
In Treignes: several very interesting museums: the Railway Museum, the Espace Arthur Masson, the Viroin Ecomuseum, and the ‘Malgré Tout’ Museum.
The ruins of the castles at Fagnolle and Hauteroche, and at Nismes with its fortified cemetery....

Always be cautious and plan ahead when you're outdoors. Visorando and the author of this route cannot be held responsible for any accidents occurring on this route.

The GR® and PR® markings are the intellectual property of the Fédération Française de Randonnée Pédestre.

Reviews and comments

4.7 / 5
Based on 10 reviews

Reliability of the description
4.7 / 5
Ease of following the route
4.5 / 5
Route interest
4.8 / 5
chezcath
chezcath

Overall rating : 5 / 5

Date of your route : May 04, 2026
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A superb walk, under a warm sun, but nice and cool under the trees! No difficulties, clear route; Nismes, a charming village with a magnificent park where it’s lovely to stop by the ponds and little streams! A very beautiful spot to discover!

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ArinaTomberg
ArinaTomberg

Overall rating : 5 / 5

Date of your route : Apr 16, 2026
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

I really love the Calestienne region for its natural diversity, which is why I always enjoy returning there. This walk allowed me to discover new aspects of the area. It’s certainly worth extending the walk to visit the ruins of Dourbes Castle and La Roche à Lhomme, which offer magnificent views over the valley.

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Perlot Philippe
Perlot Philippe

Overall rating : 4.3 / 5

Date of your route : Mar 09, 2026
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : Yes

Pleasant and easy hike

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pierre gobin
pierre gobin

And you were quite right to do so.

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Christine75
Christine75
• Edited:

It's true that if it rains, it's more difficult to climb up there, but I just wanted to let you know that it was possible.

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pierre gobin
pierre gobin

Hello, Thank you for your opinion. Your suggestion is excellent, but in wet conditions it could prove tricky. I agree that the view is magnificent. The option of going via La Roche à Lomme is just as interesting; it will depend on the fitness and preferences of the hikers. The view is just as superb.

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Christine75
Christine75
• Edited:

Overall rating : 4.7 / 5

Date of your route : Apr 14, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

I added to point 5 the climb to the ruins of Dourbes Castle. It's a shame not to go up there when the route passes right below it. Nice for a snack.
Before the Buis mountain, you can stop at the rock at Lomme, which offers a beautiful view.
Montagne aux Buis is a very peaceful place.
Several benches and picnic tables along the route.
A very pleasant walk in a beautiful region.

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cecile fussen
cecile fussen

Overall rating : 4.3 / 5

Date of your route : Sep 14, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

very nice hike

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cecile fussen
cecile fussen

Overall rating : 4.7 / 5

Date of your route : Sep 14, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

This hike was truly superb. It must be said that the sun ☀️ was shining down on us. The different types of landscapes were magnificent: woodlands, the banks of the Viroin, geological strata, small villages with stone houses and an absolutely delightful natural environment. It was a wonderful day of walking with the family.... Thank you to Visorando🥰🥰🥰

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Thanquet
Thanquet

Overall rating : 4.3 / 5

Date of your route : Aug 25, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A very beautiful, easy hike (but with quite a bit of mud on the trails) through interesting natural environments and varied landscapes. The two villages of Nismes and Dourbes are a wonderful discovery. Special mention for the communal park's water-themed layout – a remarkable transformation of a former caravan site.
Just one small regret: there are almost no (living) box trees left along the route, where they must have been very abundant. The hundreds of dried-up bushes are most likely the result of an attack by the box tree moth a few years ago.

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AnimExpress Team
AnimExpress Team

Overall rating : 5 / 5

Date of your route : Aug 07, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

We had a wonderful time yesterday with our club, "Les Randonneurs de l'Avesnois". The outing was beautifully organised, with a well-marked route. The hike is truly superb and, on our return, we even extended the walk by going around the castle grounds. An experience not to be missed!

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pierre gobin
pierre gobin

Thank you for your comments. It's always nice
to read that hikers enjoy the suggested routes as much as we enjoy creating them.

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Eula
Eula

Overall rating : 5 / 5

Date of your route : Jun 11, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful region, a very varied route and stunning scenery. Worth doing again and again.

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pierre gobin
pierre gobin
• Edited:

Your comment is absolutely correct, it is indeed Eau Noire. Thank you for pointing that out. I'm very glad you enjoyed the hike.

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jphmon
jphmon

Overall rating : 4.3 / 5

Date of your route : Sep 14, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

In point 13, the bridge cannot be over the Viroin, which only rises more than a kilometre downstream; it is a bridge over the Eau Noire.

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