18km route to Saint-Symphorien d'Ozon

A hike starting from Louise Labé in Saint-Symphorien-d'Ozon, heading towards the heights of Marennes, around Simandres.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 16.10 km
  • ◔
    Average duration: 5h 15 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 237 m
  • ↘
    Descent: - 234 m

  • ▲
    Highest point: 337 m
  • ▼
    Lowest point: 177 m

Photos

Description of the walk

Depart from Espace Louise Labé, taking the Simandres road.

(S/E) At the car park exit, turn right onto Avenue Robert Schuman.

(1) In the bend after the housing estate, take the path on the left, which runs alongside the Ruisseau de l'Ozon.
Follow the Ozon to the Rocade and take the bridge over the ring road.

(2) After the bridge, continue for about 100 metres and take the path on the right. At the first fork, take the path on the left.

(3) At the road, at a place called Maupas, turn left for about 200 metres, then right onto a path that joins the D150, the main road through Marennes.
Cross the road and take the path on the left to the end, which is a dead end.
From there, continue along the property wall, which turns to the right and leads you to a path.

(4) Continue along the path on the right, pass in front of the SPA, then into the undergrowth, and walk for about a kilometre.

(5) At the intersection, follow the path that branches off to the right. Continue until you reach a road.
Take this road on the right, pass Grand Bel Air, and reach a path on the right.

(6) Follow it, cross the undergrowth, along a winding route, pass Combe Louve and join a small road.

(7) Continue to the left, at the next intersection continue to the right and continue straight ahead until you reach the D150 again.

(8) Take the D150 on the left, then follow the road on the right that crosses the ring road.
Continue to the first intersection, turn left, then a little further on, take the path on the left.

(9) At a place called l'Étang, turn right and continue straight ahead until you reach the old N7.

(10) Ignore the N7 and turn right onto Chemin de Franchison until you reach the Simandres road.
Turn left, continue, and before reaching the N7, take the path on the right, which will take you back to the D156.

(11) Take the D156 on the left and rejoin the route taken on the way there.

(1) Continue to Espace Louise Labé (S/E).

Waypoints

  1. S/E : km 0 - alt. 177 m - Espace Louise Labé
  2. 1 : km 0.61 - alt. 179 m - Path on the left along the - Ozon (ruisseau) - Affluent du Rhône
  3. 2 : km 3.02 - alt. 187 m - Bridge over the ring road
  4. 3 : km 4.12 - alt. 193 m - Maupas
  5. 4 : km 5.12 - alt. 245 m - Path, on the right
  6. 5 : km 5.77 - alt. 312 m - Path on the right
  7. 6 : km 6.83 - alt. 331 m - Path on the right
  8. 7 : km 8.48 - alt. 317 m - Road, on the left
  9. 8 : km 9.97 - alt. 220 m - D150, on the left
  10. 9 : km 11.25 - alt. 210 m - The Pond
  11. 10 : km 12.37 - alt. 244 m - Chemin de Franchison on the right
  12. 11 : km 14.78 - alt. 219 m - D156, on the left
  13. S/E : km 16.1 - alt. 177 m - Espace Louise Labé

Notes

On the path that follows the banks of the Ozon, the vegetation seems to be taking over. Make sure you wear suitable clothing.

Reviews and comments

3.9 / 5
Based on 20 reviews

Reliability of the description
3.9 / 5
Ease of following the route
4.3 / 5
Route interest
3.5 / 5
Whylliams
Whylliams

Overall rating : 4 / 5

Date of your route : Mar 22, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

The route was compatible with my intentions.
The layout was quite good.

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michel.guinand
michel.guinand

Overall rating : 3.7 / 5

Date of your route : Sep 10, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

at first, the paths are full of brambles, which isn't very pleasant.
There are no tables for a snack
The walk is still very nice, though
thank you

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coquillageluc
coquillageluc

Overall rating : 5 / 5

Date of your route : Feb 20, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Nice

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nom
nom

Overall rating : 3 / 5

Date of your route : Apr 05, 2021
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★☆☆ Average
Very busy route : No

The first part of the hike along the Ozon river was very pleasant: no problems on the trail (no brambles, nettles or other obstacles). The path must have been cleared.
However, I had a problem with the map between points 6 and 7 (left/right discrepancy?)
A GPS app came in very handy.
It's true, there was a bit of tarmac, but few cars and, during this period of lockdown, it was bearable under the Easter Monday sun.

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dani14
dani14

Overall rating : 4 / 5

Date of your route : Jun 16, 2020
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★☆☆☆ Disappointing
Very busy route : No

Disappointing because the last quarter is practically all on tarmac roads, which ruins the hike. On the contrary, the beginning is a haven of happiness and bliss (undergrowth, stream) and there are many viewpoints from which to discover the surroundings

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Vincent Bron
Vincent Bron
• Edited:

Overall rating : 4.3 / 5

Date of your route : Jan 14, 2020
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good

On the route:
- at the start, follow the OZON carefully, even if it seems like you are heading north. Follow the map and the path is passable (no brambles, see comment by "montracol" dated 12/7)
- between 6 and 7, at the crossroads on the first stream, take the path on the right that goes straight ahead, not the one on the left that goes uphill and ends in a meadow.
Other than that, the description is good, both in writing and on the map.
I enjoyed the view from the heights to the north over the Lyon metropolitan area and further away to the Monts d'Or, to the west over the Monts du Lyonnais to Pilat, and to the east to Mont Blanc! The sky was clear!
No technical difficulties, a lovely walk that took about 4 hours without running.
I did it as a reconnaissance trip and would be happy to take my group (average age: 65) on this route.

PS: - the route is closer to 16km than 18km (www;calculitineraires.fr)
- the car park at the Louise LABBE cultural centre was closed at 9.30am on Friday morning. But there is space in the neighbouring streets.

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josy01
josy01

Hello,
I've done it, it's very well explained, there's no chance of getting lost. Thank you to everyone who suggests hikes that take you off the beaten track. ::

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henri57
henri57 ★

Hello,

Thank you for taking the time to give your opinion.

(start of the hike) and full of brambles and nettles.

The maintenance of the trails is not the responsibility of the author or Visorando.

Furthermore, the names of the paths are not indicated on the route, which means that you have to take paths at random. After the path that runs alongside the SPA, on the road to FAITA, it's a matter of luck.

It's not chance that should guide you on a hike, but the connection between the map and the terrain.

there are dozens of paths and trails on the right, and there's no doubt about it, you'll get lost.
There are practically no markings on this route, and the path that runs alongside the Ozon

Indeed, with Visorando, you often stray from the beaten track, so there are no markings.
Visorando does not recommend signposting as it can be changed or erased, whereas information about the terrain is stable.

Visorando provides a detailed description and a 1:25,000 IGN map. And if signposting is essential for you, Visorando provides virtual signposting: a GPS application

This tool, offered free of charge by Visorando, allows you to validate waypoints and thus remove any doubts about your direction.

See you soon!

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FernandSuzanne
FernandSuzanne

Hello,
How am I supposed to know that? I disagree with that reasoning! If the aim is to prohibit access to the hut or the rubbish tip, the sign should be placed in front of the hut and the rubbish tip, not on a tree located 20 metres before them on the hiking trail!

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bibi
bibi ★

Hello, is the sign in question there to prohibit access to the path or rather to what looks like a rubbish tip? Sometimes the orientation of a sign can be misleading....

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FernandSuzanne
FernandSuzanne

Hello,
Unfortunately, we were only able to do the first part. As already mentioned in other comments, we had trouble finding the trailhead. Starting from Espace Louise l'Abbé, 1 km after taking the path on the left, we arrived at a place where there was a kind of old, dilapidated hut on the left, greenhouses in poor condition on the right, and a pile of half-burnt rubbish reminiscent of a landfill site... On a tree, there was a red sign saying "NO ENTRY UNDER PENALTY OF PROSECUTION". So we turned back, thinking we had made a mistake. We looked for another way through the Rives d'Ozon housing estate (swimming pool, stadium...). At the end of this path, we came to the ring road, but there was no bridge. So we turned back again! Finally, we met a gentleman who told us that the first path was indeed the right one and that we should ignore the sign!
So we crossed, but we weren't very reassured. We'll try again, leaving earlier, but I still have to ask the question... Why put a sign like that on a hiking trail?

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josy01
josy01

Overall rating : 4.3 / 5

Date of your route : Dec 30, 2018
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good

I did this hike with my partner and my dog. The route along the Ozon is superb, and you can see the cressionnières, which are probably abandoned. It's true that there isn't much information on the map. Personally, I'll be doing it again with my group in April. It will be a different season and a different experience, and yes, it's 16 km and takes a leisurely 5 hours. Thanks to the hikers who post on Visorando.

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Claude69
Claude69

Overall rating : 4.3 / 5

Date of your route : Sep 29, 2018
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★☆☆ Average

I completed this route as a trail run. The start of the route is a bit chaotic, with lots of trees blocking the path. The total distance is 16 km, not 18 km.

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