On Mont Alta

Discover the armoured boundary stones along the forest trails...

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 6.57 km
  • ◔
    Average duration: 2h 00 
  • ▲
    Difficulty: Easy

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 50 m
  • ↘
    Descent: - 54 m

  • ▲
    Highest point: 142 m
  • ▼
    Lowest point: 97 m

Photos

Description of the walk

From the ONF car park in Aumont, take the path that starts at the barrier at the back of the car park and continue straight ahead (north) along plot 306, ignoring the paths on either side. At the crossroads, turn right (at the corner of plot 274) and go uphill.

(1) At the top, at the Carrefour d'Aumont, take the second path on the left (273).

(2) At the crossroads, turn right (272). After the first stone marker, continue straight ahead and, at the next crossroads, turn left.

(3) At the crossroads, turn right, staying on the high ground. Continue straight ahead along the ledge.

(4) At the crossroads, continue along Route Tournante, which veers slightly to the left. At the next junction, turn right onto theGR®12B(white and red markings).

(5) At the next crossroads, continue straight ahead (268). At Carrefour des Fossés, turn right (without going downhill).

(6) At the left-hand bend, you will see two boundary markers on the right-hand side. At the crossroads after the bend, continue straight ahead (south-west) on the stony track.

(7) At the next crossroads, continue on the track to the right (west). Go straight ahead on the track (in the middle of the straight line, there is a marker in the undergrowth on the right, under a large beech tree).

(1) At the crossroads at the end of the straight line, continue straight ahead downhill. At the next crossroads, turn left to return to the Aumont-en-Halatte car park (S/E).

Waypoints

  1. S/E : km 0 - alt. 102 m - ONF car park, Aumont-en-Halatte
  2. 1 : km 1.09 - alt. 129 m - Carrefour d'Aumont
  3. 2 : km 1.55 - alt. 124 m - Carrefour de la Croix de la Livrée
  4. 3 : km 2.35 - alt. 138 m - Route Tournante du Mont Alta
  5. 4 : km 3.08 - alt. 135 m - Crossroads
  6. 5 : km 3.81 - alt. 140 m - Carrefour de l'Arbre à Fougères
  7. 6 : km 4.59 - alt. 138 m - Boundary stones bearing coats of arms
  8. 7 : km 4.98 - alt. 136 m - Carrefour Arthus
  9. S/E : km 6.57 - alt. 103 m - ONF car park in Aumont en Halatte

Notes

Another starting point is possible, from Poteau de la Belle Croix (to the east of the route). From the car park, take the gravel path (GR®) that heads west after the barrier (Route de l'Arbre à Fougères, towards Mare du Mont Alta). At a fork, turn right (west-northwest) and ignore a path on the right. When you reach plot 268, you will arrive at the Carrefour de l'Arbre à Fougères. Turn left and follow the main route from the point (5) to the Carrefour d'Aumont. Then take the first path on the right and follow the main route from the point (1) to the Carrefour de l'Arbre à Fougères (5). Turn left onto the road of the same name to return to the Poteau de la Belle Croix car park.

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

3.8 / 5
Based on 19 reviews

Reliability of the description
4.1 / 5
Ease of following the route
3.7 / 5
Route interest
3.6 / 5
hellvinz
hellvinz

Overall rating : 3.7 / 5

Date of your route : Mar 23, 2026
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★☆☆☆ Disappointing
Route interest : ★★★★★ Very good
Very busy route : No

A very pleasant forest that was quiet when we were there, with lots of different species of trees and flowers. However, the route could do with some tweaking; it’s really rather rough – although if you follow the map itself, it’s not difficult to follow it roughly.

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CHRIST60
CHRIST60

Overall rating : 4 / 5

Date of your route : Nov 04, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

Nothing to report

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Yacine le rookie
Yacine le rookie

Overall rating : 3.7 / 5

Date of your route : Oct 13, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★☆☆ Average
Very busy route : No

This is my first official hike, and I'm very happy to have started with this route.

Very quiet and very pretty, this place is perfect for rookies like me in this environment.

At a moderate pace, you can finish in less than 1 hour and 15 minutes.

I recommend it, despite a few inconsistencies along the way. Unfortunately, some parts of the forest are uneven, but nothing alarming!

Thanks again.

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adrien 60
adrien 60

Overall rating : 4 / 5

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

Very little traffic. The spreading work is disastrous: ruts and various branches strewn across the road for a good kilometre.

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Gardechois
Gardechois

Overall rating : 4 / 5

Date of your route : Feb 21, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

A lovely hilly route, surrounded at times by thousands of daffodils, with a rather unpleasant, fairly long muddy section. On the way back to point 1, I took the more pleasant winding path on the left. I didn't find the right armoury in the photo, just one lying on the ground. Overall, a lovely route.

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B.G.
B.G.

Overall rating : 3.3 / 5

Date of your route : May 21, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★☆☆ Average
Very busy route : No

The MONT ALTA POSTM is incorrectly positioned on the IGN map and on the hiking map background: it is located at the next crossroads, at altitude 138.
On the way back, at the Aumont crossroads (altitude 127), take the path on the left, which runs alongside the old Aumont quarry (sand) and leads to the car park at the starting point.

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Traderofsleep
Traderofsleep

Overall rating : 3.7 / 5

Date of your route : Apr 17, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★☆☆ Average
Very busy route : Yes

There are few people when it rains.
Part of the path is used by horses, which makes it very muddy.

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agrandspas
agrandspas

Overall rating : 3.3 / 5

Date of your route : Sep 30, 2021
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★☆☆ Average
Very busy route : No

Very few plot numbers visible, tree trunks across the path.

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Jpboico
Jpboico

Overall rating : 3.7 / 5

Date of your route : May 10, 2021
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★☆☆☆ Disappointing
Very busy route : No

Forest very poorly maintained, paths disappeared under piles of dead wood. Difficult to follow the GPS track.

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Amd Wbg
Amd Wbg

Overall rating : 4 / 5

Date of your route : Feb 21, 2021
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : Yes

The numbers do not always correspond on the map. Otherwise, it is a pleasant but busy hike.

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akkssion
akkssion

Overall rating : 3.3 / 5

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

Description is very approximate and sometimes inconsistent with the map provided.
A section of the map has physically disappeared and cannot be found. One wonders whether the map is actually based on an authentic GPS track or was drawn up retrospectively...
That said, it's a beautiful walk... saved by the use of a GPS!
Only one boundary stone with a coat of arms seen...

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Magitex
Magitex

Overall rating : 4.3 / 5

Date of your route : Jul 11, 2020
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★☆☆ Average
Very busy route : No

The specific interest of the hike lies in the armoured stones. The description mentions four or five of them. Personally, we only saw one, the one mentioned in the description. But the walk is still very pleasant, shaded, easy and well described. Thank you.

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Brigitte Souverain
Brigitte Souverain

Thank you for pointing that out. I will clarify it in the description.

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Carinetropforte
Carinetropforte

Overall rating : 4 / 5

Date of your route : Aug 30, 2019
Reliability of the description : ★★★★☆ Good
Ease of following the route : Not used / Not applicable
Route interest : ★★★★☆ Good

Please note: you should not depart from the main car park in Aumont (next to the church) but from the ONF car park (at the end of the village).

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henri57
henri57 ★

Hello,

Thank you for taking the time to give your opinion.

It's a shame, but we had trouble finding our way around the map during this walk.

Finding your way in the forest isn't easy because it's difficult to match the map to the terrain. In this specific case, I recommend using the GPS app in addition to the description and map.

The aim is not to be glued to your smartphone, but to have a tool that allows you to validate waypoints and thus remove any doubts about your location.

See you soon!

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