From the Priory of Saint-Nicolas to the Maltoute Fountain

A short walk along the streams of the Plaine de Versailles, including the Ru de Gally, which has its source in the castle grounds. The charming village of Rennemoulin boasts a chapel, a wash house and an old bridge, while the Fontaine de Maltoute fountain offers a pleasant, shaded spot to stop for a break.

Unacceptable behaviour has been observed; see the warning in the practical information section.

Details

220984
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  • Walking
    Activity: Walking
  • ↔
    Distance: 6.51 km
  • ◔
    Average duration: 2h 00 
  • ▲
    Difficulty: Easy

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 48 m
  • ↘
    Descent: - 42 m

  • ▲
    Highest point: 118 m
  • ▼
    Lowest point: 89 m

Photos

Description of the walk

Starting point: Chemin de la Chapelle in Rennmoulin.
Access and parking: Rennemoulin is located on the D161 road between Villepreux and Noisy-le-Roy. Once you enter the village, there is a three-way junction with a wash house that can only be seen from behind: turn right if you are coming from Villepreux, left if you are coming from Noisy-le-Roy (signposted "Mairie"). Follow the road downhill to the end and park in the car park signposted along Chemin de la Chapelle.

No signposts

(S/E) With your back to the "Parking" sign, follow Chemin de la Chapelle on the left with Ru de Gally on your right. Continue to Chapelle Saint-Nicolas (not open to visitors). Retrace your steps.

(S/E) Turn left, cross the Ru de Gally and go up Rue du Moulin.

(1) Opposite the wash house, turn left, cross the D161 road at the pedestrian crossing (take care) and follow it on the left. Note the old fountain after number 4 on the street. Go up the stairs on the right and continue along the path. Pass under an arbour and immediately turn right into a slightly downhill street (Chemin de Chaponnal).

Orange markings are rare due to lack of support.

(2) Cross the D161 road (take care) and continue opposite on the path that starts after a forest barrier. Walk along the wall of a property on your right, then descend between the fields. Cross a stream and ignore the path on the right (not shown on the map). Pass a yellow two-sided sign, enter a small wood and climb uphill. At the top of the hill, continue east on a farm track, ignoring a path coming from the left.

(3) At the crossroads (yellow two-sided sign), go straight ahead along a path between the fields. At the next crossroads, continue straight ahead along a gravel path. Further on, cross a small road and continue along the gravel path.

(4) As you approach a row of trees some distance to the right, note a path coming from the right (which you will take later) and continue straight ahead to a T-junction. The Maltoute Fountain is located below on the right, at the foot of a weeping willow.

No markings

(5) Retrace your steps for about a hundred metres.

(4) At the fork, take the path on the left (the one you noted earlier). Walk between the Ru de Maltoute on your left and a reed bed on your right. Just before a system of sluice gates on the stream, turn right, go down a few metres and then continue along the stream on your left. N.B. The path is not shown on the map, which indicates a path on the other bank, but this is inaccessible as it is located on private property.

(6) Come out onto a small road and follow it to the left after crossing the stream. Ignore a turn-off on the left and take the access road on the right to the Moulineaux equestrian centre. Just before the bridge over the Ru de Chèvreloup, turn left onto a farm track with a horse pasture on your left. Follow the track in a right-left zigzag to cross the Ru de Chèvreloup just before it joins the Ru de Gally (much wider).

(7) Continue westwards along the Ru de Gally on your left. At the bridge on the left, turn right onto the track. Go uphill, head north and rejoin the crossroads you took on the way out.

Orange markings are scarce due to lack of support.

(3) Turn left, descend into a small wood, climb slightly, follow the wall of a property on your left and reach a forest barrier.

(2) Turn left onto the D161 road.

(1) At the fork, veer left and pass in front of the wash house. Continue along Rue du Moulin to quickly return to the starting point (S/E).

Waypoints

  1. S/E : km 0 - alt. 92 m - Car park - Chapelle Saint-Nicolas
  2. 1 : km 0.44 - alt. 98 m - Lavoir Saint-Nicolas
  3. 2 : km 0.88 - alt. 107 m - Rennemoulin - Route D161
  4. 3 : km 2 - alt. 118 m - Crossroads of the Maltoute circular
  5. 4 : km 3.16 - alt. 107 m - Intersection
  6. 5 : km 3.27 - alt. 106 m - Fontaine de Maltoute
  7. 6 : km 3.86 - alt. 103 m - Crossing with a small road
  8. 7 : km 4.61 - alt. 96 m - Ru de Gally (rivière)
  9. S/E : km 6.51 - alt. 92 m - Car park - Chapelle Saint-Nicolas

Notes

In dry weather, good trainers are sufficient for this walk. In wet weather, some paths may be muddy.

No water sources or shops have been identified.

A 1:25,000 map is useful (at least the one accompanying this description).

Warning:
The Maltoute Fountain and the banks of the Ru de Chèvreloup (or Maltoute), between (4) and (6), are located on private property. Access is only permitted with the kind permission of the owners. Unfortunately, inappropriate behaviour has been reported: barbecues, camping equipment, littering and empty bottles, etc. Such behaviour is unacceptable as it is disrespectful to the owners and harmful to the environment. If it continues, access to the site will be compromised. Thank you in advance for your understanding.

Additional information:
This hike can be combined with the Petite boucle dans la Plaine de Versailles(Small Circular in the Versailles Plain), whose point (7) is located in Rennemoulin, i.e. the starting point of this hike. The total distance is approximately 13.5 km.

Hike completed by the author on 19 March 2016.

Worth a visit

In Rennemoulin (S/E):
- Chapel of the Priory of Saint-Nicolas (13th century).
- Saint-Nicolas wash house.
- 17th-century bridge over the Ru de Gally and towpath lined with wheel stops designed to prevent vehicles from falling into the river.

Maltoute fountain (5).

Reviews and comments

4.6 / 5
Based on 40 reviews

Reliability of the description
4.8 / 5
Ease of following the route
4.8 / 5
Route interest
4.3 / 5
User 27972831

Overall rating : 4.7 / 5

Date of your route : Nov 03, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : Yes

Hello, hike on 2 November 2025.
Pleasant,

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MP rando
MP rando

Having done this several times this year, I can confirm that the second option is the best, safest and most enjoyable.

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Relonnor
Relonnor
• Edited:

Overall rating : 4.7 / 5

Date of your route : Sep 22, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

At the second point, "4": "Just before a system of sluice gates on the stream, turn right, go down a few metres and then continue along the stream on the left-hand side." This path hardly exists anymore. It is VERY overgrown, unmaintained and encroaching on a ploughed field.

Hike done in autumn, be careful , we brought back a lot of TICKS, and as this small section was the only one that was off the beaten track and fields, it is surely the part responsible.
I recommend instead taking the initial path 4-3 to (2 choices):
-the small road that you will need to rejoin and follow to the left (point 6 is quickly reached after 50m). I confirm the recommendations to be cautious, as there is no hard shoulder and poor visibility on the bends of this road.
Or:
- a little further on, at the small crossroads after the road, turn left and go down to the Moulineaux farm and turn right at the bottom of the slope, at the stream and the equestrian centre, to reach 7.

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MP rando
MP rando

Overall rating : 4.7 / 5

Date of your route : Oct 14, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : Yes

Very nice walk, but a few things to note:
- at weekends, when the weather is nice, it is extremely difficult to park in Rennemoulin.
- wetland restoration work is underway and the path along the reed bed is very difficult to navigate (no longer suitable for families). It is unclear whether this is authorised or not.
- the road (I did the walk on a Monday morning) after point 6 is narrow, very busy and has no pavement. Cars weren't driving very fast, but caution is advised.
My advice to avoid these two problems: after seeing the Maltoute fountain, retrace your steps, cross the road again, continue to the first crossroads, turn left onto the path that goes down to the Moulineaux farm, and resume the route just after crossing the stream.

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jean-pierre.aizac
jean-pierre.aizac
• Edited:

Overall rating : 4.7 / 5

Date of your route : Mar 28, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

This easy and varied walk took me to the Maltoute fountain, which I hadn't visited in a long time. This picturesque spot has lost some of its charm since the large trees that shaded it were cut down, but work is underway to protect it.

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Katy78
Katy78

Overall rating : 4.7 / 5

Date of your route : Jul 11, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

Beautiful hike, clear and detailed description.
The only thing to watch out for is stage 4, 'just before the sluice gate on the stream, turn right': in July 2023, this small path is overgrown (tall nettles and large thistles), so wear closed shoes and trousers, or even long sleeves...
If you want to take a break or have a picnic, there is a small shaded, green area near the stream close to the start/finish point between the car park and the wash house. Please take your rubbish with you.

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axoum
axoum

Overall rating : 5 / 5

Date of your route : May 30, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

This walk was taken on a sunny spring Sunday (Pentecost Sunday). The nature was magnificent. The birdsong and the scent of a thousand flowers delighted us. We never tired of the views over the vast fields.
a beautiful walk!

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Kikilapince
Kikilapince

Overall rating : 4.7 / 5

Date of your route : May 11, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

Hello, please be careful from point 6 onwards, as the route takes you along a road that is very dangerous for pedestrians, with a series of bends where cars cannot see you. Avoid this section if you have children with you!

Nicolas

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marcsandrin
marcsandrin

Overall rating : 4.7 / 5

Date of your route : Mar 08, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : Yes

Nice hike in the sunshine, except at the edge of the reed bed.
Serious parking problems in Rennemoulin. It's better to come by bike or arrive at a quiet time of day!

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E.Smz
E.Smz

Overall rating : 4.7 / 5

Date of your route : Feb 28, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : Yes

A very pleasant walk on this sunny Sunday in February. A few points to note, however:
- No parking spaces and quite difficult to park elsewhere (which meant there were quite a few people on the route)
- Apparently, the route passes through private property. A lady (the owner of the field) told us that we were walking through a "biodiversity preservation area", which is a path between the fields that must not be walked on (this is the last part of the walk after point 6, going back up towards point 2)

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MaggyP
MaggyP

Overall rating : 4.7 / 5

Date of your route : Feb 22, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : Yes

A very pleasant walk on this beautiful Saturday in February. The path was a little busy but nothing too disturbing. The signs were easy to follow. Charming village. We needed to get out into the countryside and close to home because of the curfew, so we will definitely do it again.

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randofans
randofans

Overall rating : 4.3 / 5

Date of your route : Jan 22, 2021
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

Pleasant walk. The village of Rennemoulin is definitely worth a visit. The route along the streams is pleasant. However, we were disappointed by the Maltoute fountain.

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pmahieux@aliceadsl.fr
pmahieux@aliceadsl.fr

Overall rating : 4.7 / 5

Date of your route : Oct 28, 2020
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

A peaceful walk through fields and meadows. The first part is on high ground, the second runs alongside streams. There are many horses in the neighbouring meadows. Unfortunately, it rained for most of the walk.

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Cyclochica
Cyclochica
• Edited:

Overall rating : 4.7 / 5

Date of your route : Sep 26, 2020
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : Yes

A very pleasant and refreshing short walk just a few kilometres from Versailles and St Cyr, with no difficulties whatsoever. Excellent description and route map. Just be careful when crossing the road before the equestrian centre, as there was quite a lot of traffic (on a Saturday).

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Mi78
Mi78

Overall rating : 4.7 / 5

Date of your route : Aug 17, 2020
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

A superb walk that allowed us to discover some beautiful places that we didn't know, even though we've lived in the area for 30 years.

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