The ruins of Montaigle and the Sosoye nature reserve from Falaën

A varied route that passes through the village of Falaën with its stone houses, the bucolic Flavion valley, the imposing ruins of the medieval castle of Montaigle and the Montagne de Sosoye Nature Reserve with its beautiful limestone meadows.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 13.26 km
  • ◔
    Average duration: 4h 25 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 223 m
  • ↘
    Descent: - 224 m

  • ▲
    Highest point: 220 m
  • ▼
    Lowest point: 129 m

Photos

Description of the walk

Park in the village of Falaën, near the church

(S/E). Opposite the church, take the small road that runs alongside it on the right, Rue du Château-Ferme. Note the imposing castle farm on the right. Leave the village and you will come to an isolated chapel in the fields.

(1) Take the small road on the left that winds through the countryside before descending to the hamlet of Flun. Continue to the bridge over the Flavion, also known as the Floyon.

(2) Immediately afterwards, turn left onto the dirt track that leads into the Flavion valley. Pass a pumping station, then the water machine, which is an excellent picnic spot. A little further on, the track becomes a small path that climbs up to a road.

(3) Go up this road on the right to its end, which is a T-junction. Turn left onto another small road, Rue de Montaigle. You will arrive at a large farm.

(4) Just before the farm, at a huge hay barn, take a dirt track that passes to the left of the farm. Descend towards the Flavion valley and you will come to a path. This path runs alongside impressive limestone cliffs and is parallel to a wider track. Where the path is closed off, join the wider track and follow it to the right, continuing in roughly the same direction. You will come to a meadow. Enter through a metal gate and cross the meadow, staying close to the Flavion. Leave the meadow at the far end through a turnstile. Caution! This area can be very muddy during or after a period of rain. Turn left onto the dirt track.

(5) You will soon arrive at the entrance to the Montaigle ruins.
N.B. If you do not wish to visit the site, continue straight ahead. However, a visit (for a fee) is highly recommended and is included in the mileage of the route.
After visiting the ruins, either return via the same route you came up or take a small path behind the ruins, which also leads back to the visitor centre.

(5) Continue along the small road on the right to reach the bridge over the Molignée and the Molignée Valley road.

(6) Cross this fairly busy road carefully, follow it to the right for a few metres, and climb up a fairly steep small path on the left. When you reach the hamlet of Foy, turn left, then quickly right and right again to leave the hamlet. A hundred metres further on, go straight ahead at a small crossroads and continue for another hundred metres.

(7) Turn left onto a well-marked and signposted dirt track. Follow it to the end, ignoring a path that descends to the left. At the small road, turn left for fifty metres, until after the bend.

(8) Take a dirt track on the right at an acute angle (signpost). Enter a wood and shortly afterwards, don't miss a small picturesque path on the left. Reach the top of the limestone grasslands of the Montagne de Sosoye Nature Reserve. A bench (or even better, the nearby rock) offers a beautiful view of the village of Sosoye, an excellent place for a picnic. Continue past the bench, ignore a path on the right and descend the increasingly steep path to a metal gate.

(9) Do not take the marked path on the left, but go right and cross the railway tracks. Be careful! The tracks are sometimes used by draisines.
Turn left onto the Ravel and then leave it via a staircase immediately after the bridge that crosses the road leading to the village of Sosoye. At the bottom, take the road on the left, away from the village of Sosoye.

(10) Take thefirst street on the left going uphill. Continue along this winding road for a long time until you reach the plateau. Ignore all side roads and paths. Continue straight ahead until you reach a short, slightly steeper descent alongside a large house. You will reach a larger road.

(11) Turn left and you will soon arrive at the car park of Falaën Church (S/E).

Waypoints

  1. S/E : km 0 - alt. 202 m - Parking - Église Saint-Léger (Onhaye)
  2. 1 : km 0.94 - alt. 209 m - Chapelle Notre-Dame des Sept Douleurs (Onhaye)
  3. 2 : km 1.99 - alt. 165 m - The trail starts in the Flavion valley
  4. 3 : km 3.36 - alt. 168 m - Rue des Hayettes
  5. 4 : km 4.62 - alt. 197 m - Montaigle Farm
  6. 5 : km 6.12 - alt. 135 m - Ruins of - Château de Montaigle
  7. 6 : km 7.09 - alt. 134 m - La Molignée
  8. 7 : km 8.03 - alt. 188 m - Path on the left through the fields
  9. 8 : km 9.62 - alt. 194 m - Start of the Sosoye Reserve trail
  10. 9 : km 10.34 - alt. 158 m - End of the Sosoye reserve (metal gate). - Molignée (rivière)
  11. 10 : km 10.91 - alt. 165 m - Start of the Falaën road
  12. 11 : km 12.84 - alt. 215 m - Route
  13. S/E : km 13.26 - alt. 202 m - Parking

Notes

The route follows partly small, quiet tarmac roads, but also dirt tracks. The latter may be muddy during or after a period of rain.

Worth a visit

Between (2) and (3), also of interest: explanations about the water machine along the Flavion, information boards, picnic area.

(5) The ruins of the medieval castle of Montaigle are the most impressive in the region and are well worth the detour suggested in the description. Check the opening dates and times in advance.

Reviews and comments

4.9 / 5
Based on 11 reviews

Reliability of the description
4.8 / 5
Ease of following the route
4.9 / 5
Route interest
4.8 / 5
Florencedemierbe
Florencedemierbe

Overall rating : 5 / 5

Date of your route : Dec 30, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

A magnificent walk, very varied (walking along the stream, woods, forest, visiting the ruins of Montaigle). Pure bliss! A very beautiful region, I highly recommend it.

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Ced.F.
Ced.F.

Overall rating : 4.7 / 5

Date of your route : Nov 07, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

Beautiful, very varied route. Passes by the ruins of Montaigle Castle. Unfortunately, there are many asphalted sections, including the first 2 km along a busy road

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Tango05/04
Tango05/04

Overall rating : 5 / 5

Date of your route : Oct 16, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Pleasant and easy walk.

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phirob
phirob
• Edited:

Overall rating : 5 / 5

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

A magnificent hike with a perfect description. Use GPS on the route. The castle ruins are a must-see. It's a superb spot for a picnic.

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Beket
Beket

Overall rating : 5 / 5

Date of your route : Oct 28, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A very beautiful hike in the sunshine with magnificent autumn colours. Take care to watch out for vehicles for the first two kilometres. A visit to the castle ruins adds to this beautiful route.

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Marc de Namur
Marc de Namur

Overall rating : 4.7 / 5

Date of your route : Apr 06, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

A very nice walk without any major difficulties. Very pleasant, taking us through one of the most beautiful villages in Wallonia. I highly recommend it.

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jmh2
jmh2

Overall rating : 4.7 / 5

Date of your route : Mar 10, 2022
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Lovely walk. The only downside is that there is a bit too much tarmac. The stretch from Falaen to the hamlet of Flun is along a road where vehicles drive quite fast. Otherwise, there are some superb spots along this walk.

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Ben 0562
Ben 0562

Overall rating : 4.3 / 5

Date of your route : Mar 19, 2022
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

Superb route... just one small downside regarding the layout...

point 3: the farm is not visible when the main road turns right... so if you follow Rue de Montaigle, you'll go wrong

point 7: the same applies to the main dirt track that turns right into the woods when you should continue straight ahead.... this spot is easy to identify as there is a wayside shrine on the right...

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etx61
etx61

Overall rating : 5 / 5

Date of your route : Mar 16, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A lovely walk with a pleasant and varied route.
Take great care along the road from Falaën to point 2.

Reliable description.

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fzutterman
fzutterman

The website provides a telephone number that you can call to find out the opening hours.

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VedeTT
VedeTT

Overall rating : 5 / 5

Date of your route : Jan 30, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

A magnificent walk, but it's a shame that the ruins were closed (the website isn't very clear about opening days). Also, be aware of hunting season dates.

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grandexbiche
grandexbiche

Overall rating : 5 / 5

Date of your route : Jan 23, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

I completed this route yesterday.
A wonderful discovery!
I didn't visit the castle ruins because it was already "late" and I still had quite a few kilometres to go!
But it's only a matter of time.
Thank you for this superb route

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