Les Bornes du Planet

Hike in the Rambouillet Forest

Details

20936
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  • Walking
    Activity: Walking
  • ↔
    Distance: 9.84 km
  • ◔
    Average duration: 3h 05 
  • ▲
    Difficulty: Easy

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 81 m
  • ↘
    Descent: - 81 m

  • ▲
    Highest point: 175 m
  • ▼
    Lowest point: 125 m

Photos

Description of the walk

Park in the Planet car park.

(S/E) Take the first path, which is a blocked road, on the left of the car park.

(1) At the crossroads, take the first path on the left, the Route Blanche. Stay on this path until you reach the Carrefour des Barillets cross.

(2) Take the second road on the right. At the second intersection, turn right (Route de la Croix Gibbon) and continue to the next intersection.

(3) Turn right (Route de la Harasserie) and continue until you reach Carrefour des Barillets again.

(2) There, take the third road on the right from the one you are leaving (Route des Barillets). At the intersection, turn left onto Route de Croche.

(4) Take the first path on the right, which goes uphill. When you reach Carrefour de la Côte, turn right onto Route du Poteau de l'Épars. Continue straight ahead for about 2 km.

(5) When you reach Carrefour du Poteau des Quenouilles, turn right onto the second path. Continue straight ahead until you reach the forest house.

(6) Turn onto a road that descends to the right, Route du Bocquet, and continue straight ahead to reach the first fork in the road on the way there.

(1) Continue along the road, which veers to the left, to rejoin the outward route and return to the Planet car park (S/E).

Waypoints

  1. S/E : km 0 - alt. 127 m - Planet car park
  2. 1 : km 0.53 - alt. 129 m - First path on the left
  3. 2 : km 1.76 - alt. 125 m - 2nd path on the right - Near the - Vesgre (rivière)
  4. 3 : km 3.06 - alt. 134 m - 3rd path on the right
  5. 4 : km 5.39 - alt. 128 m - Path on the right
  6. 5 : km 6.92 - alt. 175 m - 2nd path on the right
  7. 6 : km 7.92 - alt. 173 m - Road on the right
  8. S/E : km 9.84 - alt. 127 m - Planet car park

Notes

We pass through areas that require some caution as there are flooded but passable sections.
Bring suitable footwear for the return journey.

Reviews and comments

4 / 5
Based on 11 reviews

Reliability of the description
4.1 / 5
Ease of following the route
3.8 / 5
Route interest
4.1 / 5
romainbea
romainbea

Overall rating : 4.3 / 5

Date of your route : Aug 17, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful trail in the Rambouillet forest, offering a chance to explore diverse vegetation.
The circuit can be completed at a leisurely pace in around two and a half hours.

However, be careful!
Some sections (half of the loop between points 2 and 3, and between points 2 and 4) are extremely poorly maintained and, at times, completely overgrown. On these two sections, especially between points 2 and 4, there is virtually no path.
Next time, you might want to try to bypass this section.

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Annie St germain
Annie St germain

Overall rating : 2.7 / 5

Date of your route : Jul 31, 2025
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : ★★☆☆☆ Disappointing
Very busy route : No

We missed the junction to road 2 at number 1 because it wasn't visible.
So we caught up with number 3 further on and headed towards number 2.
The path is almost impassable with tall grass and uncut ferns.
It's even dangerous!
We abandoned the walk between 2 and 4 for the same reasons.
This is the first time we have been disappointed by a Visorando walk.

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Pierlet
Pierlet

Overall rating : 2.3 / 5

Date of your route : Mar 03, 2025
Reliability of the description : ★★☆☆☆ Disappointing
Ease of following the route : ★★☆☆☆ Disappointing
Route interest : ★★★☆☆ Average
Very busy route : No

Could not find the road to Croix Gilbon from the Huttes du Bocquet road.

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Jean.Taverne
Jean.Taverne

Overall rating : 4 / 5

Date of your route : Sep 24, 2022
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

A very pleasant walk in the beautiful Rambouillet forest. We extended the route by 4 km to reach a beautiful viewpoint, and by 6 km to avoid returning along the long stretch of tarmac. There was no one else on the route, but it must be said that the sky looked threatening.

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annie-paul
annie-paul

Overall rating : 4.7 / 5

Date of your route : Jul 24, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful, green walk among pine trees, ferns, heather and oak trees. Easy overall. A few wet patches, but no problem in summer. Sometimes the ferns close in a little on the less-travelled paths.

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sc.didier
sc.didier

Overall rating : 4.7 / 5

Date of your route : Oct 17, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

A pleasant walk, which should be even more interesting when the heather is in bloom. Worth revisiting earlier in the year.
Please note: the circular loop (2 to 3) has not been maintained for some time, so you will need trousers to get through the vegetation, which is quite dense this autumn.

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phpicard
phpicard

Overall rating : 4.3 / 5

Date of your route : May 29, 2021
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

I made a mistake right from the start (I drove straight out of the car park, but you have to take the road on the left before the entrance). So I took the second road on the left and ended up directly at No. 3. It's a beautiful route, and we saw a total of 10 people on a Saturday afternoon.

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Nickan
Nickan

Overall rating : 4.3 / 5

Date of your route : Feb 14, 2021
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

We really enjoyed this hike and went back! The first time there was snow, which was splendid.
A beautiful, quiet forest with a wide variety of tall trees, ferns and heather. Easy route. Best avoided when the ground is very wet.

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jacques mercier
jacques mercier

Overall rating : 3.3 / 5

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

A rather monotonous route with little variety

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JEANJEAN Vincent
JEANJEAN Vincent

Overall rating : 4.3 / 5

Date of your route : May 25, 2020
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful hike in the Rambouillet forest near Saint Leger en Yvelines.

To avoid parking on the main road, we parked at the Chateau du Planet, which allowed us to extend the hike and enjoy a beautiful avenue of rhododendrons in bloom. Curiously, you will find rhododendrons throughout the forest along the entire hike.

The route is easy but perfect for a family hike with adults and children. The only slight difficulty is finding the right path for the circular loop, but it's impossible to get lost. The alternating pine trees, oaks, ferns, heather, rhododendrons, etc. are superb.

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gerulf
gerulf

Overall rating : 5 / 5

Date of your route : Sep 16, 2019
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

This walk offers a magnificent overview of the Rambouillet Forest, with varied and often beautiful forest landscapes (oaks, conifers, ferns, heather) and high vantage points at the end. The walk is easy, and you can adjust the length by removing the circular loop. It is difficult to get lost.
An excellent idea for getting back into forest hiking. We went back after a week!

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