The castle and ponds of Saint-Quentin-Fallavier

A beautiful, bucolic walk to explore the riches of the town of Saint-Quentin-Fallavier. I recommend following the route with the app so you don't miss any poorly marked trails.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 8.61 km
  • ◔
    Average duration: 2h 50 
  • ▲
    Difficulty: Easy

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 131 m
  • ↘
    Descent: - 132 m

  • ▲
    Highest point: 371 m
  • ▼
    Lowest point: 246 m

Photos

Description of the walk

Departure from the Rue de l'Église car park, in front of the Town Hall.

(S/E) Opposite the Town Hall, go down the road to the right of the Town Hall to see a lime kiln and carved turtles. Continue along this road, which bends to the left, and turn right at the end to walk alongside vegetable gardens and a mini farm. You will come to a small pond.

(1) Turn right, then right again a few metres further on, onto the path that takes you over a small bridge. Walk along the stream on your left.

(2) Don't miss the path on the right that climbs up to the Allinges fortified house. Go around it by turning 90° to the right, then take the small path on the left that descends to a second pond. Turn right to follow it and the grazing area with Ouessant sheep. Cross the stream and you will reach a fork just before another bridge.

(3) Take the path on the left along the fence. After a short climb, the path turns 90° to the left and then to the right.

(4) Don't miss the path on the left, which is not very visible: it runs alongside the poorly maintained field on the left and a field with a house in the distance on the right (see photo). When you reach the top, turn right and you will come to the park car park. Walk to a building with a water point and information about the iron mines. Continue a little further and take the path that climbs to the left towards Fallavier Castle.

(5) Enter the park and take the middle path that climbs up to go around the castle on its left side. Then walk past the front, take a look around the ruins and continue along the small path that descends on the other side of the castle. Ignore all the paths on the left and right until you reach the Chemin du Relon, which is tarmac. Take this path, turning left, and continue until you reach a path on the right.

(6) Turn right, pass under the high-voltage power line, and turn right again, walking alongside an area with a small white observatory dome. Pass under the power line again, walk alongside the housing estate on your left and keep to the right at the next junction. You will come to a four-way crossroads.

(7) Take the small wooded path on the left between the two large paths to reach the Étang de Fallavier lake, which you will go around by turning left and following the path closest to the water. After the housing estate, turn right towards Bois du Bret and, before reaching a plain with sports facilities, take the wide path on the right and enter Fallavier Park. Walk as close as possible to the lake.

(8) Turn right to go to the end of a strip of land in front of a beautiful red house and enjoy an unobstructed view of the lake. Retrace your steps, turn right and pass in front of the red house, continuing along the path. Then go back up to the park entrance to reach Rue de la Buthière, as the path along the lake has become impassable.

Follow the street to the right and at the end, at the pumping station, turn right to return to the edge of the pond where fishing is permitted.

(9) At the end of the pond, just before the car park, turn left to find a new path. This path bends to the right and leads to a new tarmac road. Cross the road and continue straight ahead. Cross a bridge, continue along the path until you reach a three-way junction, turn right to cross another bridge and arrive at the junction you passed on the way there.

(3) Go straight ahead, keep to the right at the three-way junction to go around the pond on the other side this time until you reach the northern tip, where you will stay on the path on the right. Follow the stream to reach thefirst pond.

(1) Continue to the left, turn left again at the crossroads and return to the car park where you started (S/E).

Waypoints

  1. S/E : km 0 - alt. 261 m - Car park at the Town Hall and church
  2. 1 : km 0.34 - alt. 248 m - First pond
  3. 2 : km 0.75 - alt. 254 m - Trail to the fortified house of Les Allinges
  4. 3 : km 1.19 - alt. 262 m - Crossroads of the circular
  5. 4 : km 1.54 - alt. 296 m - Path on the left
  6. 5 : km 1.86 - alt. 316 m - Entrance to the park
  7. 6 : km 2.76 - alt. 343 m - Path on the right
  8. 7 : km 3.49 - alt. 292 m - Small path between the two trails
  9. 8 : km 5.46 - alt. 277 m - Earthwork
  10. 9 : km 6.38 - alt. 277 m - Path on the left
  11. S/E : km 8.61 - alt. 261 m - Car park at the Town Hall and church

Notes

Water point before point (3) and in the centre of Fallavier Castle.

Worth a visit

  • Explanations of the lime kilns below the Town Hall.
  • Sculpted turtles below the Town Hall.
  • Small farm.
  • Horses.
  • View of the ponds.
  • Ouessant sheep
  • Explanations about the iron mines.
  • Explanations and tour of Fallavier Castle.
  • Panoramic views of the region.
  • Diversity of fauna and flora

Reviews and comments

4.5 / 5
Based on 21 reviews

Reliability of the description
4.5 / 5
Ease of following the route
4.3 / 5
Route interest
4.6 / 5
RANDOVIVI
RANDOVIVI

Overall rating : 5 / 5

Date of your route : Feb 25, 2026
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

Lovely family walk

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RCT69
RCT69

Overall rating : 5 / 5

Date of your route : Feb 26, 2026
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

I did it on a weekday, so there weren't many people, but it must be busy at weekends. A very beautiful hike between ponds and castles. You can climb to the base of the tower from 1 March (I forgot the end date) and only on Sundays.
For my part, I did an extra circular route: at La Buthière, I crossed the road and took two V-shaped paths that lead to the hamlet of Le Grand Chemin (just before that, there is a very passable path that allows you to do the circular route along the woods). That made it 11.4 km.

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Prieur_christian
Prieur_christian

Overall rating : 5 / 5

Date of your route : Dec 09, 2025
Reliability of the description : Not used / Not applicable
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

We did this route during the week in December, so there weren't many people around. The views are unobstructed and the paths are easy to walk on without any particular difficulties. You pass close to houses while remaining in the countryside. The countryside, St Quentin castle and ponds make this a very varied route. We recommend it.

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hiker38
hiker38

Overall rating : 5 / 5

Date of your route : Oct 12, 2025
Reliability of the description : Not used / Not applicable
Ease of following the route : Not used / Not applicable
Route interest : ★★★★★ Very good
Very busy route : Yes

Surprising route: "the countryside in the city"

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Anne-Laure et Fabrice
Anne-Laure et Fabrice

Overall rating : 4 / 5

Date of your route : Jul 18, 2025
Reliability of the description : Not used / Not applicable
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

We shortened the hike a bit by starting near point 3 (college car park). The path was easy to find, next to the equestrian centre.
I knew the area and only used the trail map.
It was a nice route, mostly shaded, with beautiful views of the castle and the pond with the castle in the background (even prettier in October when the leaves are red).
Very quiet, but swimming was prohibited in the pond. Otherwise, there are usually people near the swimming area.

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myrtilles
myrtilles

Overall rating : 3.3 / 5

Date of your route : Feb 24, 2025
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

A lovely walk with several points of interest, including a castle and a pond. Pleasant paths. We had some difficulty finding the path at the start.

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Fred345962
Fred345962

Overall rating : 4.7 / 5

Date of your route : Dec 01, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful and varied hike: crossing parks, passing by the castle, walking along the lake, passing through the woods and downhill after the castle, magnificent views of the Alps and Mont Blanc.
GPS watch useful on several occasions.
At point 3, after crossing the small bridge, there are two paths leading uphill. Take the one on the left.
Point 4: we couldn't find the path, but it was easy to find our way by continuing straight ahead.
After the castle, we missed the path and found ourselves on a parallel path (we got back on the right path thanks to the watch).
A few people, but certainly busier in spring and summer.
We had a very good time.

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domibr
domibr

Overall rating : 4.7 / 5

Date of your route : Oct 09, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

Hello.
A pleasant walk. The ideal time to do it is on a Sunday or public holiday, which allows you to visit the castle between 2.30pm and 6.30pm.
We did it on a Thursday and had no difficulties. We set off from the car park at the new town hall.
The start of the trail has been well cleared near the medieval farm of Les Allinges, and it's pleasant to follow the little stream before arriving at the pond.
Enjoy your hike, everyone.
Best regards.
Dominique

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SamHermes
SamHermes

Overall rating : 5 / 5

Date of your route : Sep 09, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A very good route, but a real pain because there are no signs on the paths

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PascaleSim
PascaleSim

Overall rating : 5 / 5

Date of your route : Aug 20, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Superb hike! Moderate elevation gain, well shaded. Ignore point 4 as the path is blocked by vegetation. Continue along the trail and you will come out onto the road at the foot of the castle, which is open to visitors on Sundays and public holidays. The walk around the St Quentin Fallavier lake is very pleasant. Swimming is permitted and supervised in July and August.
The route is clear and well explained.

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pauline43
pauline43

Overall rating : 4.5 / 5

Date of your route : Aug 10, 2024
Reliability of the description : Not used / Not applicable
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

I'm doing the route in reverse. Everything went well with the trail. The water point at the castle was very welcome.
Thank you for this hike.

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olman
olman

Overall rating : 4 / 5

Date of your route : Aug 05, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful hike with varied landscapes.

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Tita10
Tita10
• Edited:

A varied and diverse route, but a bit complicated in terms of signposting

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BV61
BV61

Overall rating : 4.3 / 5

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

a lovely, varied and very pleasant route with plenty of shade. However, at point 4, the path disappears, so you have to cross
the field along the trees to take the path that goes up to the car park. A lovely walk that takes two hours.
Worth doing

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charpenel
charpenel

Overall rating : 3.7 / 5

Date of your route : Sep 13, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : Yes

some paths are in such poor condition that it becomes difficult to find certain junctions. Otherwise, it meets our expectations

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