Saint-Jaume and Garde Grosse

A short hike in the Nyonsais hills with panoramic views of the Baronnies.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 9.60 km
  • ◔
    Average duration: 4h 35 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 652 m
  • ↘
    Descent: - 651 m

  • ▲
    Highest point: 942 m
  • ▼
    Lowest point: 428 m

Photos

Description of the walk

The car park will serve as the starting point; it is located at Haut Guards opposite the last junction for the leisure centre on Route des Guards.

(S/E) Head back down and take the road on the left at Saint-Rimbert until you reach the crossroads.

(1) Continue left on the path marked in yellow. You will see the Rocher de l'Aiguille on your left (which you can visit if you wish).

(2) Keep to the small path on your right, still marked in yellow, which climbs gently through the woods.

(3) At Les Blaches, turn left, and at the next fork (elevation 551), turn left again. Join another wider path on the Plateau des Cailles. Then climb a steeper, rocky and stony path. You will come to a fork (elevation 643).

(4) Admire the view from the top of Saint-Jaume, turn left and arrive at a crossroads (small pass), cross this pass and turn left onto the almost horizontal path until you reach a fork.

(5) Climb up the path on the right, heading south-east. I recommend staying on the main path as there are many other tracks. At elevation 804, continue left north-east and follow the ridge path to La Garde Grosse (elevation 944).

(6) Stay on the path to the right behind the antenna (you will be treated to some splendid views), then the path descends until it rejoins theGR®9at a multiple crossroads.

(7) Take it on your left, descend through the woods, cross a road and continue alongthe GR® for a short distance up a steep slope until you reach a wider path.

(8) Leave theGR® trail and turn left to rejoin the road at a viewpoint overlooking the town of Nyons.

(9) Follow the road downhill for 300 metres until you find a path (passable by vehicles) on your left, marked in yellow.

(10) Follow this path, which narrows to a trail and ends at a wide right-hand bend.

(11) Turn right, north, onto the last small downhill path to finally rejoin the road (elevation 494).

(12) Head straight ahead along the road that leads to your vehicle (S/E).

Waypoints

  1. S/E : km 0 - alt. 437 m - Parking on Route des Guards
  2. 1 : km 0.38 - alt. 431 m - Crossroads
  3. 2 : km 0.79 - alt. 450 m - Les Hauts Guards
  4. 3 : km 1.41 - alt. 465 m - Les Blaches
  5. 4 : km 2.86 - alt. 634 m - Plateau des Cailles
  6. 5 : km 3.71 - alt. 727 m - Small pass
  7. 6 : km 4.76 - alt. 935 m - Garde Grosse (944m)
  8. 7 : km 5.44 - alt. 776 m - GR9 crossroads
  9. 8 : km 6.26 - alt. 563 m - Fork in the road. Leave the GR
  10. 9 : km 6.75 - alt. 582 m - Viewpoint over Nyons
  11. 10 : km 7.07 - alt. 553 m - Fork in the road. Leave the road
  12. 11 : km 8.27 - alt. 644 m - Crossroads
  13. 12 : km 8.96 - alt. 491 m - Route
  14. S/E : km 9.59 - alt. 437 m - Parking

Notes

This path can be very slippery in wet weather! Avoid walking here during the hottest part of the day in summer.

Alternative route: at point (5), you can descend via the Saint-Jaume ravine path (2nd on the left) to reach (11) and your vehicle as quickly as possible.

Worth a visit

There is a tree-top adventure park open in summer and a discovery trail at Col la Croix. The botanical trail has been lost.

 Always be cautious and plan ahead when you're outdoors. Visorando and the author of this route cannot be held responsible for any accidents occurring on this route.

The GR® and PR® markings are the intellectual property of the Fédération Française de Randonnée Pédestre.

Reviews and comments

4.3 / 5
Based on 39 reviews

Reliability of the description
4.1 / 5
Ease of following the route
4.3 / 5
Route interest
4.5 / 5
christineB74
christineB74

Overall rating : 4.3 / 5

Date of your route : Sep 29, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

A very beautiful hike. Very beautiful views. Mont Ventoux, the Dentelles de Montmirail, Grignan Castle, Chamaret Tower... Through woods and open countryside. A few difficult sections require some care. Definitely worth doing again.

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User 24207389

Overall rating : 4.7 / 5

Date of your route : Sep 09, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A very beautiful hike with a fairly steep climb to reach Garde Grosse near the antenna.

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PAQUITO 85
PAQUITO 85
• Edited:

Overall rating : 4.7 / 5

Date of your route : Aug 03, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful, challenging hike with a significant elevation gain and climbs that are perpendicular to the contour lines, particularly between points 5 and 6 up to the summit of Garde Grosse.
The descent after Garde Grosse is very steep in places, with loose stones. Take care not to fall.
The entire first part offers beautiful views of Nyons, with a pleasant route through the woods.
The hike took 2 hours and 35 minutes of walking, and 3 hours and 30 minutes with breaks.
The signs are not always easy to follow. Don't hesitate to stop at each intersection and check your route (Strava, for example) against the trail. We also made a small mistake around point 3, which was quickly corrected (we took the forest road for 500 metres instead of taking the small path that goes uphill).

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Bat'Fil
Bat'Fil

Overall rating : 4 / 5

Date of your route : Jan 06, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

No comment

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MlPla
MlPla

Overall rating : 4 / 5

Date of your route : Jun 03, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

A beautiful route with superb views of the two valleys, but part of the route (marked in yellow) crosses mountain bike trails, which is dangerous

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christineB74
christineB74

Overall rating : 3.7 / 5

Date of your route : Mar 22, 2024
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

There are some changes that need to be made to your description. (I think this has already been requested.)
And specify that the descent after the top of Garde Grosse is almost a scree slope! Not necessarily accessible to everyone! It's a real hike, not a walk. Bring a GPS to find your way!
But it's a superb hike with magnificent views.

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temislooade
temislooade

Overall rating : 3.3 / 5

Date of your route : Oct 15, 2023
Reliability of the description : ★★☆☆☆ Disappointing
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

Describing this hike, which I would rate as moderate to difficult, as a walk is a mistake...
Then the explanations are inaccurate and without GPS you get lost... but that's already been said... I don't understand why this can't be corrected by Visorando.
Bring walking sticks for the descent, which is very difficult even on dry ground. Don't do it when the ground is wet...
I hurt my knee on the way back because I was fooled by the word "stroll", even though I'm a fairly experienced hiker... I can't even imagine what it would be like for a novice...
Otherwise, the site is great for the positive rating 😉

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50MICHEL
50MICHEL

Overall rating : 4 / 5

Date of your route : Sep 18, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

With GPS it was perfect,

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jesuisdoncjemarche
jesuisdoncjemarche

Overall rating : 3 / 5

Date of your route : May 15, 2023
Reliability of the description : ★★☆☆☆ Disappointing
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

Description needs to be revised, especially at the beginning. Without GPS, we would not have been able to complete the hike.

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hmduperray
hmduperray

Overall rating : 3.7 / 5

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

This hike is best done with a GPS device as the route is not always obvious. The slope is steep towards the end, but once you reach the top, what a view! I didn't enjoy the descent as much, as it is very steep at the beginning (my knees aren't what they used to be!)

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danieldescours@]orange.fr
danieldescours@]orange.fr

Overall rating : 3 / 5

Date of your route : Sep 06, 2021
Reliability of the description : ★★☆☆☆ Disappointing
Ease of following the route : Not used / Not applicable
Route interest : ★★★★☆ Good
Very busy route : No

Hello
I did the SAINT JAUME and GARDE GROSSE tour on 5 September 2021.
I only used the written description for the itinerary.
The car park and the starting point were fine, but in my opinion, as a novice, the description was written by someone who confused their left and right.
I was unable to appreciate the different viewpoints.
I don't have a smartphone to download the itinerary.
Sorry for this review

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CHASSON MARIE CHRISTINE
CHASSON MARIE CHRISTINE

Overall rating : 5 / 5

Date of your route : Mar 06, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Very beautiful hike but a bit challenging until the cross guard. Beautiful view, the descent is a bit steep

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BRUN Mireille
BRUN Mireille

Overall rating : 3.7 / 5

Date of your route : Mar 13, 2020
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good

Hello
I don't hike with a GPS, only with a map
I would like to report the following: at point (2) Keep to the small path on your right, still marked in yellow, which
climb gently through the woods
Please note that the guidebook says to follow the path marked in yellow
However, after turning right and leaving the fork that leads to Rocher de l'Aiguille, follow the yellow-marked trail at first, then take the second fork marked with a yellow cross, which is an ascending trail, while the obvious yellow-marked trail continues straight ahead and is not the correct one.
Beautiful view from the summit, no other comments

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Amélie C1.
Amélie C1.

Overall rating : 5 / 5

Date of your route : Feb 10, 2020
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

Great hike with beautiful views.
We shortened the return trip by taking the paved road.
For those who are interested, at the start of the trail, you can go to the Aiguille rock.
There are also several geocaches along the way.

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2529084110
2529084110

Overall rating : 3.7 / 5

Date of your route : Mar 02, 2019
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★☆☆ Average

There is a steep climb before Garde Grosse and, above all, a descent down a scree slope and along the road, which is very average
would rate this hike as quite difficult and average.

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