Grotte de l'Ermitage via the Boyon Cross

This circular will allow you to see the incredible Grotte de l'Ermitage, the Boyon Cross and other cross-shaped crosses, as well as Moissey's heritage, its castle, fountain and church. You will also have a long walk through the Bois de La Serre.
In this wood, part of the path is not maintained and you will probably, like me, have to go around a few trees that have fallen during storms.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 15.99 km
  • ◔
    Average duration: 5h 30 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 318 m
  • ↘
    Descent: - 318 m

  • ▲
    Highest point: 366 m
  • ▼
    Lowest point: 214 m

Photos

Description of the walk

Park in the car park in front of the château.

(S/E) From the car park, head towards the fountain, then turn left onto the main street. After about 350 metres, turn left onto Rue du Moulin, pass a farm shed and turn right at the hiking signpost.

(1) Cross the footbridge, then keep right on the path marked with a scallop shell symbol. Continue following the scallop shell markings.

(2) At the hiking signpost, turn left towards Croix Boyon, then at the crossroads (elevation 346), turn right onto the path marked with yellow signs.

(3) When you reach the granite marker, turn left. At the stony track, turn left towards Croix Boyon.

(4) At the cross, continue along this road until you reach the crossroads, then continue straight ahead on the small road marked "Grotte de l'Ermitage".

(5) At the sign for "site de l'ermitage", turn onto the first path on the left (be careful not to take the botanical trail) and walk past the cave.

(6) Continue, pass the spring and immediately turn left onto a straight path. Then, at the end on the right, the hilly path continues for about 800 m with several stream crossings.

(7) At this point, go around the tricky descent by first turning left then right.

(8) Continue straight ahead, ignoring the yellow markings.

(9) At the end, turn right onto the path that climbs uphill, then at the crossroads halfway up the hill, turn left onto a wider path until you reach the forestry road.

(10) Follow this forest track with ruts to the left until you reach the stream. Turn left, then after about 200 m, turn right.

(11) Cross the ford via the footbridge on the right, then head back up towards the village of Offlanges.

(12) At the cross, turn left onto the path, then left again onto Rue du Lavoir.

(13) At this new cross, keep left onto Rue du Château d'Eau. Then, at the next three-way junction, turn right. Pass in front of the reservoir and continue along the farm track. At the end, turn right to join the road. There, turn left/right towards the road with the sign for "Moissey". At the end, pass in front of the cemetery and return to the village.

(14) Just after the "attention enfants" sign, take the grassy path on the left, then head towards the church.

(15) At the church, return along the same footpath for a few metres, then descend towards the castle and return to the car park (S/E).

Waypoints

  1. S/E : km 0 - alt. 235 m - Car park in front of the castle.
  2. 1 : km 0.63 - alt. 240 m - Hiking signpost.
  3. 2 : km 2.24 - alt. 337 m - Hiking signpost.
  4. 3 : km 2.94 - alt. 343 m - Granite boundary stone.
  5. 4 : km 4.09 - alt. 352 m - Boyon Cross.
  6. 5 : km 6.11 - alt. 365 m - Hermitage site sign.
  7. 6 : km 6.32 - alt. 354 m - Grotte de l'Ermitage (Moissey)
  8. 7 : km 7.51 - alt. 321 m - Steep descent through thick undergrowth.
  9. 8 : km 8.06 - alt. 319 m - Straight ahead. Do not follow the yellow markings
  10. 9 : km 9.66 - alt. 310 m - Crossroads with path leading uphill.
  11. 10 : km 10.26 - alt. 302 m - Crossroads with forest track.
  12. 11 : km 11.64 - alt. 215 m - Ford with footbridge on the right-hand side.
  13. 12 : km 12.79 - alt. 287 m - Cross pattée.
  14. 13 : km 13.37 - alt. 327 m - Cross pattée.
  15. 14 : km 15.55 - alt. 261 m - "Caution: children" sign.
  16. 15 : km 15.9 - alt. 246 m - Church.
  17. S/E : km 15.99 - alt. 235 m - Castle and car park.

Notes

Some sections are muddy, especially in wet weather, so walking sticks are recommended.

Worth a visit

Moissey Castle, 14th century.
Moisse Fountain, 18th century.
Boyon Cross and other pattée crosses.
Grotte de l'Ermitage
Moissey Church, 16th century.

Reviews and comments

4 / 5
Based on 18 reviews

Reliability of the description
4.1 / 5
Ease of following the route
3.9 / 5
Route interest
3.9 / 5
gerardgelot
gerardgelot

Overall rating : 3 / 5

Date of your route : Oct 14, 2025
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★☆☆ Average
Very busy route : No

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NanaDidi
NanaDidi

Overall rating : 4 / 5

Date of your route : Jun 09, 2025
Reliability of the description : Not used / Not applicable
Ease of following the route : Not used / Not applicable
Route interest : ★★★★☆ Good
Very busy route : No

Given the various comments, we only did part of the round trip. And we were very happy with that.
So thank you for the suggestion

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jma01
jma01

Overall rating : 4.7 / 5

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

Given two somewhat difficult descents, I strongly recommend walking sticks

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icaunais89
icaunais89

Overall rating : 4.7 / 5

Date of your route : May 13, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : Yes

A lovely walk, except that we took less time than the total duration.

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rodolgo
rodolgo

Overall rating : 3.7 / 5

Date of your route : Mar 17, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

The section between points 6 and 9 of the route is barely passable (done today). The descents are steep, and yet the ground was fairly dry today – in case of rain or if the ground is wet, boots and walking sticks will not be enough; in my humble opinion, it is better to give up.
We didn't meet anyone for over two hours! Peace and quiet guaranteed.
There are no markings on the ground except for plot boundaries, and the path is not always easy to find after climbing through branches that obscure everything. To follow it correctly, you have to trust the path marked on the map and assume that it goes straight ahead.
The "paths" marked on IGN and other maps are rather illusory: they are essentially plot boundaries, most of which are impassable.
But anyway, once you've managed to complete this section, you're quite happy to have played Indiana Jones for nearly two hours.

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Yoko25
Yoko25

Overall rating : 4.7 / 5

Date of your route : Jan 29, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

This walk is best enjoyed in winter or spring for several reasons: 3-4km of unshaded tarmac road. The section between 7 and 9 is likely to be covered in brambles in summer, obscuring the clearly visible tracks left in winter. As indicated on the map, you should walk straight ahead, ignoring all side paths.
We enjoyed all the little streams and waterfalls, which were easy to get around or cross thanks to other walkers who had cleared the way. It is slippery in places but not dangerous.

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oleray
oleray

Overall rating : 1.7 / 5

Date of your route : Oct 04, 2023
Reliability of the description : ★★☆☆☆ Disappointing
Ease of following the route : ★☆☆☆☆ Very disappointing
Route interest : ★★☆☆☆ Disappointing
Very busy route : Yes

From the start of the walk, the directions are so vague, both on the information sheets and on site, that you inevitably get lost at every forest crossroads. We met several people in the same situation: three hours of going round in circles.
The quarry isn't even marked on the map provided! Yet it would be a useful landmark.
In many places, the GPS does not provide accurate readings.
Nevertheless, this walk has its charms.

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PRAOM Annie
PRAOM Annie

Overall rating : 4.3 / 5

Date of your route : Sep 17, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

A beautiful hike, mainly through the forest. It is advisable to wear trousers as there are a lot of brambles in some parts. To avoid getting lost, it is easier to record the route on your mobile phone.

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Thiery
Thiery

Overall rating : 3.7 / 5

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

It is advisable to bring walking sticks and a good pair of shoes. Some paths are starting to become overgrown with brambles, but apart from that, it is a very beautiful walk and a beautiful forest

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JACQUELINEDOLMA
JACQUELINEDOLMA

Overall rating : 3.7 / 5

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

This route has many overgrown sections, so you need to watch your step as there are holes in the ground that you can't see. Otherwise, it's the perfect hike for very hot days as it's mostly in the forest, except for the final stretch which is on the road.

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Kapa
Kapa

Overall rating : 4 / 5

Date of your route : Jun 25, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

The hike was mostly through wooded areas, which was very pleasant given the summery weather.
As it is rarely used, the path was blocked by brambles between points 6 and 7 from elevation 350,
and especially between 8 and 9, to the point where we sometimes doubted the route!

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sophro
sophro

Overall rating : 2.7 / 5

Date of your route : Jun 26, 2023
Reliability of the description : ★★☆☆☆ Disappointing
Ease of following the route : ★★☆☆☆ Disappointing
Route interest : ★★★★☆ Good
Very busy route : No

impossible to find each other after the granite marker

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sergnell
sergnell

Overall rating : 4.3 / 5

Date of your route : Aug 29, 2022
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

Reliability of the description: not easy to do because there are many paths that intersect and are completely abandoned, filled with brambles
Paths that are more like trails, with no yellow signposts from 8 onwards - Thanks to the Visorando app

In your opinion, was this route very busy? Not for many weeks, judging by the vegetation

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jeff randonneur
jeff randonneur
• Edited:

Overall rating : 4.7 / 5

Date of your route : Oct 01, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

Hello,
i did this hike on a Friday and couldn't park in the castle car park because there was a market scheduled to start at 4 p.m., but there is a car park around the church which is very good. This hike is easy. We completed the route in 5 hours and 10 minutes, including a snack break. Be aware that between points 6 and 12, it's not easy to find a place to picnic, but in the village of Offlanges there are benches and a wash house, so it's a more pleasant place to take a break.
the route is very well marked, but we found the section between points 8 and 9 long because we were no longer following the yellow signs. However, at point 9, you can be sure of the route because the only possible path is to turn right. One indication that needs to be changed is at point 14, "turn just before the 'attention enfants' sign", but as we are close to the finish, it won't make much difference.
the distance recorded on my app is 17.87 km, which is a little more than the description.
enjoy your hike.

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Vivoactimo
Vivoactimo

Overall rating : 4.3 / 5

Date of your route : Jul 27, 2021
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A real hike where you'll have to trudge through mud, push your way through brambles, and step over streams and trees blocking the path.
The different sections are very varied: small, clear paths in the forest, crossing villages, tarmac roads, muddy forest passages, steep descents and ascents.
Overall, the GPS route is fairly consistent, especially for the forest section, and the instructions are relatively clear.

Due to the steep sections in the forest, walking poles are a good idea. In this rainy summer, some sections were flooded but still passable.

Very good hike

Please note: there are ticks!

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