Through the woods of Perrier and Fontenaille

This is a pleasant hike that can also be done in hot weather as 90% of the route is in the shade of the woods.

Details

1124075
Creation:
Last update:
Last review:
  • Walking
    Activity: Walking
  • ↔
    Distance: 8.26 km
  • ◔
    Average duration: 2h 55 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 193 m
  • ↘
    Descent: - 186 m

  • ▲
    Highest point: 394 m
  • ▼
    Lowest point: 255 m

Photos

Description of the walk

The starting point is located on the edge of the D517 between Crémieu and Trept. Parking is available near the entrance to the woods. There are two car parks (altitude 256m).

(S/E) Take the path that enters the woods, heading south.

(1) Turn right. Continue straight ahead for about 1 km, ignoring all the paths on the right. There is a "cave" on the left.

(2) Continue left along the path that climbs uphill. This is the only difficult part of the hike. At the next fork, turn left and continue uphill.
The IGN map is not up to date

(3) Turn right and follow the path between the fields. At the end (next to the altitude 368m), continue left on a path for 300m.

(4) Crossroads (altitude 349 m). Take the second path on the left (south-east). Leave the first path on the left

(5) Turn right. Continue straight ahead, south or south-southeast, for about 1.5 km, ignoring all the paths branching off to the sides. Pass the altitude 390 m.

(6) Turn left onto the path that enters the woods. At the next two forks, turn right, heading due south.

(7) Turn left, heading north-east. Continue straight ahead downhill for approximately 1.1 km, ignoring all side roads. Pass the altitude 314m.

(8) Continue left on Chemin des Montées for 1 km. Join another path. Turn right, heading due east, for 100 m. Pass the altitude of 323 m. There is a hunters' hut on the left.

(9) There is a horse paddock. Continue left along the path, heading north-northwest. Pass the altitude 299m.

(1) At the signposts, turn right and follow the same path as on the way out to the starting point (S/E).

Waypoints

  1. S/E : km 0 - alt. 256 m - Car park - Route D517
  2. 1 : km 0.22 - alt. 267 m - Fork
  3. 2 : km 1.29 - alt. 268 m - Fork in the road. Montée du Merle
  4. 3 : km 1.76 - alt. 362 m - Champs du Cremin. On the right.
  5. 4 : km 2.26 - alt. 351 m - Crossroads. Turn left.
  6. 5 : km 2.85 - alt. 389 m - Fork in the road. Les Buissières
  7. 6 : km 4.35 - alt. 375 m - Fork in the road. Fourche de Brie
  8. 7 : km 5.02 - alt. 361 m - Fork in the road. Fromentay Woods
  9. 8 : km 6.14 - alt. 302 m - Fork in the road. Fontenaille
  10. 9 : km 7.05 - alt. 314 m - Fork in the road. Le Lemps
  11. S/E : km 8.26 - alt. 256 m - Car park - Route D517

Notes

Bring the description, map and water

Reviews and comments

4 / 5
Based on 16 reviews

Reliability of the description
3.7 / 5
Ease of following the route
4.1 / 5
Route interest
4.1 / 5
Mavapath
Mavapath
• Edited:

Overall rating : 3.3 / 5

Date of your route : Jul 07, 2025
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

Hike on 6 July. A lovely shaded walk, ideal for hot weather. However, the explanations are sometimes a little complicated. So we followed along with the Visorando GPS live.

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jeannotbi
jeannotbi

Overall rating : 3.7 / 5

Date of your route : Jan 08, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

We did this route at the beginning of January. The route is very pleasant despite the noise from cars in the section near the main road. We didn't see any signposts, we only used the Visorando app to find our way. Depending on the weather in the previous days, you may have to wade through very large puddles.

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mirvinc
mirvinc

Overall rating : 4.5 / 5

Date of your route : Jun 23, 2024
Reliability of the description : Not used / Not applicable
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

During this rainy season, the paths are very muddy and large puddles block them, but you can get around them. It's a pleasant, shaded walk, but there aren't many viewpoints, which is a slight downside. However, there are pretty undergrowths, pleasant paths and a few openings in the "forest". I only used GPS, so I had no trouble following the route. There are indeed many paths, so you have to be careful to follow the description.
We were overtaken twice by cyclists, the only other people on the route.

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formazine
formazine
• Edited:

Overall rating : 4.3 / 5

Date of your route : Aug 20, 2022
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

An ideal walk for staying in the shade. There is a bit of noise from the D517 at the start and end of the walk, but the rest is very quiet. I relied on my satnav to find out which paths to take. A few detours: at point 2, as I had seen in the comments that the slope was steep, I joined the road and then rejoined the path a little before point 3. Then, before point 6, I took the path on the left, going around the highest point of 387 on the left instead of the right. This gave me a superb view of the surrounding mountains.

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demurger
demurger

Overall rating : 5 / 5

Date of your route : Jul 26, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Hike completed today by a group of 10 hikers from Ain. A very pleasant hike, well shaded, enjoyable on a hot summer's day. The 500 m climb at kilometre 1.4 is quite steep... best tackled at a leisurely pace, especially for hikers aged 70 and over, as was the case for us. The rest is easy. The multitude of crossroads in the woods makes it difficult to give a more precise description, so using the Visorando app or a GPS is highly recommended to follow this route.
Thank you to the Visorando user who took the trouble to put this lovely route on the website.

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alok3869
alok3869

Overall rating : 3.7 / 5

Date of your route : Mar 23, 2021
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

Hello! A very beautiful walk. I'm new to hiking, but I enjoyed it despite the slope after the cave (I'm 62 years old, lol). The route is fine, and I agree with Ptitelobo's comments.
Have a good day, everyone.

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Ptitelolobo
Ptitelolobo

Overall rating : 4.3 / 5

Date of your route : Mar 21, 2021
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A superb walk, mostly through the forest!!! Thank you for this hike! When you reach the top, there is a magnificent viewpoint where, if it is not too windy and the weather is good, it is nice to stop (because the rest of the forest offers few clear views)...
Like most people, I think that some of the access points to the walk are not very clear, and to make sure you don't miss them, you need to use the GPS app...
In particular, the famous path on the left ("the only difficult part of the walk") is located shortly after the "cave" (which is also on the left of the path and visible from it) but it is not very clearly marked...It starts abruptly in the woods, leaving the main path, and looks like a mountain bike trail or a wild boar track (a tricky climb, almost on all fours at times)...
Another departure point not to be missed before point 6 on the map: you have to turn left into the woods and then left again further on at the next fork... (I think point 6 was marked too late on the map and the next intersection, where you also have to turn left, was forgotten in the description).
Once again, if you have a GPS with the app, you'll be fine (although you will have to check your phone often)... Note that there are some very large puddles in certain places, even though it hasn't rained for quite some time, so make sure you wear waterproof shoes (high-top hiking boots)! And enjoy!

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michelperonnas
michelperonnas

Overall rating : 3.7 / 5

Date of your route : Sep 14, 2020
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★★ Very good
Route interest : ★★★☆☆ Average
Very busy route : No

Not very interesting. Good for getting back into shape. Shady.

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Philovesophie
Philovesophie

Overall rating : 3.3 / 5

Date of your route : Aug 06, 2020
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★☆☆ Average
Very busy route : No

A good hike to stretch your legs on a hot morning, as the route is very shaded.
It is very common to use the route on your phone as there are many paths in these woods, but at worst you can lengthen or shorten the circular.
Following the recent strong winds, there are many trees and branches on the ground between points 7 and 8.

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domyfufu
domyfufu

Overall rating : 4 / 5

Date of your route : Aug 11, 2019
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good

The description is clear to read, but the route is complicated because the paths are very poorly cleared (too much grass, branches, tree trunks, etc.) and there are many paths leading in all directions.For example, the first path to take on the left after the cave is barely visible and there are so many paths that it is difficult to choose which direction to go despite the description. Fortunately, my girlfriend had brought her GPS. Otherwise, the walk was magnificent... thank you for allowing us to discover this place.

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patrice Kaminski
patrice Kaminski

Overall rating : 4.3 / 5

Date of your route : Jul 15, 2019
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★☆☆ Average

Pleasant, well-shaded walk through the woods

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henri57
henri57 ★

Hello,

Thank you for your comment.

The signage is VERY random.

The signposting does not depend on Visorando.

At least take the route, it helps a little.

In this case, have several strings to your bow:

1. Follow the description
2. Compare the map and description with the Visorando map (IGN 1:25,000).
3. If possible, check your position with the Visorando GPS app or your GPS.

See you soon!

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Fabio_Lyon
Fabio_Lyon

Overall rating : 4 / 5

Date of your route : Sep 10, 2018
Reliability of the description : Not used / Not applicable
Ease of following the route : Not used / Not applicable
Route interest : ★★★★☆ Good

Since, in my opinion, you shouldn't have your nose stuck in your phone when you're hiking, I didn't have the description of this hike. As a result, we ended up walking 12 km instead of the 8 km indicated. That's not a big deal in itself, but just to note that the signage is VERY random. At least take the route map with you, it helps a little.

Otherwise, I loved the locations. Forest, nothing but forest, which was a delight for me. However, if you extend the route, which takes you to the petrol station at the Trept/St Hilaire junction, there is quite a lot of elevation gain (+/-).

Remember to take plenty of water with you!

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henri57
henri57 ★

Hello,

at point no. 2? After several attempts, we never found the path on the left that goes up!

According to the description, "This is the only difficult part of the hike."

(2) Continue left on the path that goes uphill. This is the only difficult part of the hike. At the next fork, go left, uphill.
The IGN map is not up to date.

However, the three hikers before us must have found the path on the left that goes uphill.

Best regards

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drumtom
drumtom

Overall rating : 2 / 5

Date of your route : Aug 27, 2018
Reliability of the description : ★★☆☆☆ Disappointing
Ease of following the route : ★★☆☆☆ Disappointing
Route interest : Not used / Not applicable

Good evening, everyone. We are experienced hikers (for over 20 years), at point no. 2, after several attempts, we never found the path on the left that goes up, nor the cave for that matter. Yes, we were on the right path that leads to the A18/A189 motorway towards Blied. To be revisited...

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