Altenweiher and Fischboedle lakes from Mittlach

A very beautiful hike through the woods and along magnificent trails, enhanced by breathtaking panoramic views, particularly at the summit of Kerbholtz.

Details

40304913
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  • Walking
    Activity: Walking
  • ↔
    Distance: 13.22 km
  • ◔
    Average duration: 5h 25 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 560 m
  • ↘
    Descent: - 566 m

  • ▲
    Highest point: 1,079 m
  • ▼
    Lowest point: 524 m

Photos

Description of the walk

Parking is available a little further down in Mittlach, but if there are no spaces, start as indicated at the edge of the forest. There are about ten parking spaces along Chemin du Herrenberg.

(S/E) Take the Croix Bleue path to the right of the arrival point.

(1) Turn right to reach Mittlach after passing Kolbenfecht.

(2) Go up Rue Erbersch on the left and stay on this road, which is mostly tarmac, until you reach Sapin de Kolben (marked with a yellow cross).

(3) Go up a little to the right to find the yellow cross trail on the left, towards Altenweiher. Stay on the yellow cross trail along the path going up the Altenweiherbach on the left bank. Reach Lake Altenwieher.

(4) Enjoy the view and the coolness of the lake, but be careful, as it is sometimes strongly advised not to let animals drink from it. Turn right at the end of the lake, following the blue cross signs: there are rocky sections where you need to watch your step. When you reach the three-way junction, go straight ahead towards Kerbholz. Further on, ignore the blue triangle trail on the right and keep left to quickly reach Kerbholz.

(5) Enjoy the view and continue along the Blue Cross trail. You will reach a forest path.

(6) Follow it in the same direction until the next intersection: there are shortcuts across the terrain, but they are not safe, especially when the ground is wet.

(7) Turn left towards Fischboedle Lake, continuing to follow the Blue Cross.

(8) Enjoy this magical place before taking theGR®5to the right of our direction of arrival (red rectangle markings) to begin the descent on the left bank of the Wormsa. Here too, there are a series of scree slopes, which are not particularly difficult, but you must remain vigilant.

(9) Turn right, keeping to the markings.

(10) Turn right again towards Mittlach and you will come out onto Rue Erbresch.

(11) Continue to the right until you reach a pretty wooden bridge on the left.

(12) Turn left to cross the bridge and walk through a small, pleasant park. Follow the path that leads back to the road (Chemin du Herenberg). Continue to the right to return to the car park (S/E).

Waypoints

  1. S/E : km 0 - alt. 548 m - Car park on Chemin du Herenberg. Close to the - Source de la Fecht
  2. 1 : km 0.33 - alt. 551 m - Fork in the road
  3. 2 : km 0.51 - alt. 544 m - Rue Herbrescht
  4. 3 : km 2.73 - alt. 687 m - Sapin de Kolben
  5. 4 : km 4.23 - alt. 926 m - Altenweiher
  6. 5 : km 6.72 - alt. 1,066 m - Kerbholz
  7. 6 : km 7.5 - alt. 940 m - Forest path junction
  8. 7 : km 8.19 - alt. 894 m - Pin
  9. 8 : km 9.7 - alt. 797 m - Lac de Fischboedle
  10. 9 : km 11.65 - alt. 553 m - Fork in the road
  11. 10 : km 12.17 - alt. 531 m - Junction
  12. 11 : km 12.73 - alt. 532 m - Mittlach, Rue Erbresch
  13. 12 : km 12.91 - alt. 537 m - Small wooden bridge
  14. S/E : km 13.22 - alt. 548 m - Chemin du Herenberg car park

Notes

Good hiking boots are essential, as there are several rocky sections during this hike. I would also recommend walking sticks for those with sensitive knees.

Worth a visit

Enjoy the peace and quiet, the scenery and the undergrowth, all of which are magnificent.

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

4.6 / 5
Based on 6 reviews

Reliability of the description
4.5 / 5
Ease of following the route
4.5 / 5
Route interest
4.8 / 5
User 20931031

Overall rating : 4 / 5

Date of your route : Nov 12, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : Yes

A very beautiful hike with autumn colours and lots of small waterfalls.
I think I'll do it again in the spring.

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User 20931031

Overall rating : 5 / 5

Date of your route : Nov 06, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

very beautiful hike

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Positiver68
Positiver68

Overall rating : 5 / 5

Date of your route : Aug 26, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Very beautiful hike
Thank you

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dominus67fra
dominus67fra

Overall rating : 5 / 5

Date of your route : Jun 23, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A very beautiful walk.
Well shaded in hot weather (38°C in Mittlach)
Breathtaking views from Kerbholtz

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AMISUR
AMISUR

Overall rating : 4.3 / 5

Date of your route : Aug 12, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A very pleasant and varied route. The weather was fine and very hot. Much of it is very shady, which is very pleasant.

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sylvie hug
sylvie hug

Overall rating : 4.3 / 5

Date of your route : Oct 02, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A very beautiful hike, done in dry weather.
Quite a few scree slopes to cross, so be careful in wet weather! Risk of slipping 🤗.
The climb is quite long, but well worth it.
Thank you for the route and the information.

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