Circular route through the Grand Bois starting from Buzet-sur-Tarn

This walk starts in Buzet-sur-Tarn, a pretty medieval market town, and winds its way through the Grand Bois, a forest on the opposite bank of the Tarn. After the heights of Roquemaure, the landscape opens up to rolling hills amidst meadows, fields and small woods before descending, still through the Grand Bois, towards Mézens and the Tarn Valley. On a clear day, the Pyrenees to the south will serve as your guide.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 16.35 km
  • ◔
    Average duration: 5h 40 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 359 m
  • ↘
    Descent: - 367 m

  • ▲
    Highest point: 246 m
  • ▼
    Lowest point: 92 m

Photos

Description of the walk

Park on the plane-tree-lined avenue La Promenade in Buzet-sur-Tarn, directly opposite the bridge crossing the Tarn.

No signposting until Roquemaure.

(S/E) Head north/north-east towards the suspension bridge and cross the Tarn. At the end of the bridge, at the junction with the Route de Mézens, head straight on along the track. Leave this track shortly afterwards on the right onto the Chemin de la Sauzière (wooden sign) and continue through the fields. Walk alongside an orchard to reach a crossroads by the Ruisseau de la Sauzière.

(1) Take the left-hand path to reach another crossroads at the hairpin bend.

(2) Keep left and continue the climb, ignoring all the paths branching off to the right and left. Walk through the woods, following roughly the crest of the ridge, then begin a short descent to reach a crossroads with four perpendicular paths.

(3) Turn left towards the north-west to follow a wide circular loop through the undergrowth that passes beneath Les Huttes and gently turns south, running some distance alongside the Vermas stream. You will then reach the Pont de Vermas.

(4) Facing a house on the other side of the road, turn right onto the D22. Climb slightly for a few hundred metres, pass an aerial and immediately afterwards you’ll come to a crossroads.

(5) Turn right onto the Route de Buzet, continuing slightly uphill through open farmland. You’ll approach Roquemaure and its Château Latour at a multi-way junction.

Yellow markings (sporadic) to Mézens

(6) Turn right onto a grassy path crossing the fields. At the next crossroads, turn left into the woods. Descend gently through the undergrowth and join the path leading to the hamlet of Blanc.

(7) Turn right onto the path marked in yellow and indicated on a wooden sign: Sentier vallons et forêts. Descend and cross the Ruisseau des Clots, then follow the Ruisseau de Vermas. You’ll come out at a sharp bend.

(8) Turn left at this sharp bend, continue along a long, gently ascending and largely open meadow, following the ridge. Pass the pretty Font Jean farm and continue at a leisurely pace through the green countryside. Approach the Mézens road at a crossroads of paths in the woodland.

(9) Take the left-hand path, head down into the woods and arrive at the highest point (altitude 247) at a place called Malpas.

(10) Turn left and continue descending steeply towards the south-east. You will reach the cemetery at the entrance to Mézens.

(11) Continue to the right on the D35. At a wayside shrine, rejoin the Grande Rue and turn right. Walk past the church and close to the castle. Continue to the right along the Route de Buzet and follow the houses to reach the junction with the Chemin des Vignes.

(12) Turn right onto it and follow it to the end.

(13) Continue straight ahead onto the path that follows it, walk along the edge of the woods and return to the initial junction you passed on the way there.

(1) Turn left and retrace your steps along the path you took on the way out to reach the car park on the avenue of plane trees on the Promenade de Buzet-sur-Tarn (S/E).

Waypoints

  1. S/E : km 0 - alt. 108 m - Car park at La Promenade in Buzet-sur-Tarn - Tarn (rivère)
  2. 1 : km 0.88 - alt. 122 m - Crossroads of the circular loop
  3. 2 : km 1.27 - alt. 134 m - Turn left
  4. 3 : km 3.09 - alt. 234 m - Nearby: Mondurausse
  5. 4 : km 5.56 - alt. 106 m - Vermas Bridge
  6. 5 : km 6.15 - alt. 144 m - Antenne junction
  7. 6 : km 7.84 - alt. 217 m - Roquemaure junction
  8. 7 : km 8.82 - alt. 171 m - Blanc
  9. 8 : km 9.16 - alt. 140 m - Stream
  10. 9 : km 10.91 - alt. 221 m - Crossroads
  11. 10 : km 11.55 - alt. 245 m - Le Malpas
  12. 11 : km 12.47 - alt. 142 m - Mézens
  13. 12 : km 13.48 - alt. 115 m - Chemin des Vignes
  14. 13 : km 14.7 - alt. 118 m - End of the trail
  15. S/E : km 16.35 - alt. 108 m - Car park at La Promenade in Buzet-sur-Tarn

Notes

Please note: Crossing the Grand Bois can be slippery in wet weather (steep slopes in places).
This walk is not signposted as far as Roquemaure. We strongly recommend using a hiking app to follow the route, particularly through the Grand Bois.

Worth a visit

- Bastide de Buzet-sur-Tarn.
- Château de Mézens (not always open.)
- Saint-Sulpice-sur-Tarn.
- Villemur-sur-Tarn.

Reviews and comments

4.1 / 5
Based on 7 reviews

Reliability of the description
4.4 / 5
Ease of following the route
4 / 5
Route interest
3.9 / 5
User 13632075

Overall rating : 3.7 / 5

Date of your route : Sep 18, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★☆☆ Average
Very busy route : No

Hike with 30% full sun and 70% shade. Perfect markings on the way there, but if you turn back, the markings are difficult to find in the woods! We took a wrong turn at a fork and ended up walking an extra 2 km trying to follow the other side of the ridge.

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User 7876540

Overall rating : 4.3 / 5

Date of your route : Jun 01, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

A lovely walk through Merzens Forest; there are some muddy sections, but they’re easy to get through without getting your feet wet....
Easy to follow with the app.
Thank you for this lovely walk.

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Les choupettes
Les choupettes

Overall rating : 3.7 / 5

Date of your route : Mar 03, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

It’s a shame there were no signposts right from the start. On the first part of the walk...
We got lost........

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Catalamar
Catalamar

Overall rating : 4.7 / 5

Date of your route : Dec 02, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

The route runs largely through woodland, which was fairly busy with mountain bikers this Sunday. Traffic on the D22 on the climb up to Roquemaure was quite heavy this Sunday, so we had to keep a close eye on the group’s safety.
Beautiful views of the Tarn plain from various angles.

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Farce
Farce

Overall rating : 4.7 / 5

Date of your route : May 20, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : Yes

A lovely walk, but a bit too much tarmac for my liking

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Frala
Frala

Hello,

As far as I know, you can follow a hike on Visorando, just like on other apps, without a subscription (it is access to the IGN base maps that requires payment in all apps in the form of subscriptions).

Kind regards

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Yannick sanchidrian
Yannick sanchidrian

When will the Visorando app be available without a subscription?

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Frala
Frala

Hello,

I understand the problems you’ve encountered, as crossing the Grand Bois without a hiking app isn’t easy! As I wrote in the practical information about the hike, using an app is strongly recommended as the route is reliable.

Sorry!

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Yannick sanchidrian
Yannick sanchidrian

Overall rating : 3 / 5

Date of your route : Nov 19, 2023
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★☆☆ Average
Very busy route : No

This walk seemed like a pleasant one to us, but a number of issues arose:
at point 2, it would be better to specify: turn left after a slight bend, INTO A SMALL HAIRPIN BEND ON THE LEFT. And before point 3, aren’t there four PERPENDICULAR directions? But rather a succession of paths here and there, with no clear landmarks to help you choose??
Between points 3 and 4, at elevation 148, the path does not continue to complete the large circular route, so we had to turn left, then right onto the Chemin de Mazarin, and then rejoin point 4
Consequently, given the time lost trying to find the right route, we had to use Google Maps, and as it was too late to reach 10, 11, 12 and 13, we cut across at 9 and joined 3, then 2, then 1, and headed back.

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hcrando
hcrando

Overall rating : 4.7 / 5

Date of your route : Nov 21, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A wonderful route through the Mezens Forest. Mostly through the forest (ideal in hot weather). There’s a lot of mud, making the paths slippery and difficult, and many of the paths and tracks require the Visorando app. That said, the directions are clear, but there are so many junctions that it would be impossible to follow the route without getting lost. A big thank you to whoever created this route – we’ll definitely be doing it again when the weather’s drier. A lovely find.

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