In the woods of Penhouat-Lancerf

de fr

A magnificent walk through a pine forest. After following the Trieux river and passing through a tunnel through the hill, we walk alongside the Trieux tourist railway line to admire the chimneys of the Château de la Roche Jagu in the distance and reach the Saint-Jean Chapel. Don't be alarmed by the sound of gunshots: there is a clay pigeon shooting range nearby.

Technical sheet

n°235113
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  • Walking
    Activity: Walking
  • ↔
    Distance: 8.83 km
  • ◔
    Average duration: 2h 55 
  • ▲
    Difficulty: Easy
  • ⚐
    Return to departure point: Yes
  • ↗
    Vertical gain: + 147 m
  • ↘
    Vertical drop: - 149 m
  • ▲
    Highest point: 98 m
  • ▼
    Lowest point: 7 m
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Photos

Château de la Roche Jagu
Chapel
On arrival
The Estuary House

Description of the walk

Car park at the Maison de l'Estuaire (exhibition centre) at Traou Nez in Plourivo.

(S/E) If the stairs at the end of the car park are closed due to slippery steps, leave the car park via the entrance and turn left towards the Maison. Follow the coastal path, taking the right-hand lane that runs closest to the riverbank.

(1) There is no other option: you must enter the tunnel, which is about 100 metres long. At the tunnel exit, take the steps on the left and turn right. Continue along this path, which overlooks the Trieux narrow-gauge railway line.

(2) When you reach the access road to the Coat Ermit lodge, you can take a detour to admire the landscape offered by the river bend. Otherwise, take the path directly opposite. Continue along the railway line until you reach an isolated house, which you will go around via the top of Kerbruc. Turn left after the house and follow the access road.

(3) After a short climb, turn right onto a sunken lane open to horses. Continue along this lane until you reach Penhoat. Take the road on the left and follow it to the Saint-Jean Chapel, which you will see on your right after several stone ruins.

(4) Take the road on the left: this is Rue du Shérif. At the end, turn left until you reach a fork.

(5) At this point, the yellow signpost indicates to turn left. We recommend that, after taking the left road at the fork, you continue straight ahead. Cross a pine forest and you will find the yellow signpost again after a hundred metres. Continue along this forest road.

(6) Turn right at the barrier and then immediately left to walk along the path that continues on from the road. Continue along this path, which has two right-hand bends before reaching an area of peat bogs. Continue along the path that passes under a high-voltage power line and continue through the pine forest.

(7) Turn right and you will see the railway line below you again. Follow the path. When it meets the road, take the sharp left turn onto the fairly steep downhill path. This is a shortcut compared to the road. When it meets the road, continue straight ahead, pass under the stone railway bridge and then take the path on the left to reach the Traou Nez car park (S/E).

Waypoints

  1. S/E : km 0 - alt. 25 m - Maison de l'Estuaire car park - Towards - Trieux (fleuve)
  2. 1 : km 0.93 - alt. 12 m - Tunnel entrance
  3. 2 : km 2.46 - alt. 60 m - Towards the Coat Ermit lodge
  4. 3 : km 3.91 - alt. 80 m - Take the bridle path on the right
  5. 4 : km 4.74 - alt. 79 m - Saint-Jean Chapel
  6. 5 : km 5.35 - alt. 96 m - Do not follow the signs: go straight ahead.
  7. 6 : km 6.47 - alt. 79 m - Turn right - left
  8. 7 : km 8.09 - alt. 65 m - Turn right
  9. S/E : km 8.83 - alt. 25 m - Car park at the Maison de l'Estuaire

Practical information

Unless otherwise indicated (5), the entire walk is very well marked with yellow signs. Simply follow the route without any other directions.

In the nearby area

- Panorama of the Trieux Valley
- View of the Château de la Roche Jagu
- Saint-Jean Chapel
- Traou Nez

Reviews and comments

4.8 / 5
Based on 17 reviews
Reliability of the description
4.8 / 5
Clarity of route map
4.8 / 5
Route interest
4.8 / 5
plian22
plian22

Overall rating : 5 / 5

Date of walk : Sep 07, 2025
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★★ Very good
Busy trail : No

A very beautiful and pleasant hike throughout the entire route.

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Jojo marcheur
Jojo marcheur

Overall rating : 5 / 5

Date of walk : Jun 08, 2025
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★★ Very good
Busy trail : No

Very pleasant trail, well shaded, exceptional views.

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pascachou
pascachou

Overall rating : 4 / 5

Date of walk : Apr 27, 2025
Reliability of the description : ★★★★☆ Good
Clarity of route map : ★★★★☆ Good
Route interest : ★★★★☆ Good
Busy trail : No

Pleasant trail, mostly shaded

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Mamiejo22
Mamiejo22

Overall rating : 5 / 5

Date of walk : Dec 08, 2024
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★★ Very good
Busy trail : No

A very beautiful hiking trail, and even more beautiful when the tide is high! There are a few climbs, but nothing too difficult 👍
From the chapel, there is a short stretch of tarmac road, but it is not very busy!
Worth doing again in spring to enjoy the flowering heather!

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Kthel
Kthel

Overall rating : 5 / 5

Date of walk : Jul 23, 2023
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★★ Very good
Busy trail : No

A very pleasant walk with lovely views of the river and beautiful undergrowth carpeted with flowering heather. A few climbs but easy overall.

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Lulu28
Lulu28

Overall rating : 4.7 / 5

Date of walk : Jul 14, 2023
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★☆ Good
Route interest : ★★★★★ Very good
Busy trail : No

A beautiful hike with the family along the Trieux estuary and through the flowering heathland, magnificent... Please note that it is not accessible to pushchairs, as some paths are narrow and steep with stones... There are a few nice little climbs but overall it is fairly easy... We encountered very few other hikers.

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Marie Annick Guillaume
Marie Annick Guillaume

Overall rating : 5 / 5

Date of walk : Jul 16, 2023
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★★ Very good
Busy trail : No

A superb hike along the Trieux estuary through the moors and heathland in bloom and the fir forest. I would do this hike again in another season. I highly recommend this route.

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Marie Annick Guillaume
Marie Annick Guillaume

A superb and enjoyable hike along the Trieux estuary through the moors and pine forest. I would do it again. Very well marked.

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grandiere
grandiere

Overall rating : 4.7 / 5

Date of walk : Apr 26, 2022
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★☆ Good
Busy trail : No

Easy and pleasant hike. Very nice up to point 3 with superb views, a little less so after that.

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Domi2935
Domi2935

Overall rating : 5 / 5

Date of walk : Mar 03, 2021
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★★ Very good
Busy trail : No

This is a beautiful hike that gives a good impression of the biodiversity, habitat and landscapes of this region of Brittany. Not too long, without any impossible climbs, full of surprises and pleasant views, it is perfect if you want to get off the beaten track of the GR34. Very quiet at this time of year.
Tip: plan to do it at high tide.

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Laeti93
Laeti93

Overall rating : 5 / 5

Date of walk : Jul 18, 2020
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★★ Very good
Busy trail : No

We loved this hike: we particularly enjoyed the views of the Trieux at low tide (which the path overlooks) and the Château de la Roche Jagu, the diversity of the wooded areas we passed through (multicoloured moors thanks to the golden heather and gorse, pine forests, deciduous forests, etc.) and the passing of the tourist steam train!

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zakkswork
zakkswork

Overall rating : 4.3 / 5

Date of walk : Sep 14, 2019
Reliability of the description : ★★★★☆ Good
Clarity of route map : ★★★★☆ Good
Route interest : ★★★★★ Very good

A lovely route with beautiful scenery.

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Géraud de BOISSET
Géraud de BOISSET

Overall rating : 5 / 5

Date of walk : Jul 21, 2019
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★★ Very good


A very beautiful walk on a lovely summer morning at high tide.
Easy route. Clear yellow markings. Otherwise, the GPX track or map allow you to hike without any worries.
Beautiful views of the river and La Roche-Jagu castle on the way there, following a small corbelled path along the right bank. On the way back, the path winds pleasantly through the woods and heathland.
If you arrive at Traou Nez between 11:30 a.m. and noon during the season, you may be lucky enough to see the Trieux steamboat travelling along its railway track

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Albatrosdesîles
Albatrosdesîles

Overall rating : 5 / 5

Date of walk : Jul 08, 2019
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★★ Very good

An easy and varied walk with a few developed areas, ideal for families, with the dog and a picnic...

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dahuette
dahuette

Overall rating : 5 / 5

Date of walk : Oct 19, 2018
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★★ Very good

A truly delightful walk. Magnificent views of the Trieux River and the Château de la Roche Jagu.

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Troiad er c'hoadoù mat evit ar familh a-bezh. Heuliit ar biroù gwer. Dre hentoù bihan Plourivoù e tremen an droaid-mañ, war ar maez, er c'hoadoù, hag en traoñiennoù glas. This walk takes you along rural paths. You will cross the Plourivoù countryside through green valleys, following the Canon and Quinic streams. At around the3 km mark, on the left, you will see the Saint-Ambroise chapel. Feel free to leave the loop to explore it. Parts of the circuit may be muddy at certain times of the year, especially before and after the Allée des Chevreuils. At the Georges Kerbellec rest area, you can take the Pont Min botanical trail for a 1.5 km detour.

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