Around point 48°North - 7°East

48°00'00'' North / 07°00'00'' East, starting point for this hike around Lake Altenweiher. This highly varied hike alternates between forest paths, "alpine" passages and scree slopes in glacial cirques, offering panoramic views of the Alsace and Vosges slopes from the hilltops and summits, as well as the opportunity to stop for refreshments at authentic farmhouse inns.

Details

128377
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  • Walking
    Activity: Walking
  • ↔
    Distance: 13.66 km
  • ◔
    Average duration: 5h 55 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 696 m
  • ↘
    Descent: - 696 m

  • ▲
    Highest point: 1,305 m
  • ▼
    Lowest point: 688 m

Photos

Description of the walk

Departure from the Kolben car park near a chapel in Kolbenwasen, at the bottom of the valley on leaving Mittlach via Rue Erbersch

(S/E) Take the Croix Jaune trail, which climbs steeply through the forest to the Altenweiher dam.

(1) At the end of the dam, turn right onto the Blue Cross path towards Kerbholtz. After 150m, it becomes a path climbing to the left through a humid and bucolic forest. Pay attention to the markings so you don't get lost among the rocks. You will cross several scree slopes, then the slope becomes gentler. The trail crosses the path that climbs to the Kastelbergwasen farm and becomes easier going until you reach Kerbholtz, where you can enjoy a wide panorama with an exceptional view of the Spitzkoepfe.

(2) Behind the refuge, on the left, is the Rectangle Bleu trail, which you will follow to Rainkopf. After a beautiful stretch through the forest, a panoramic trail leads to the Kastelberg farmhouse inn. Continue along the carriage road for 1 km.

(3) Don't miss the Blue Rectangle trail on the left. After 1 km, you will reach the Firstmiss (or Ferschmuss) hilltop with its farmhouse inn and the Louis Hergès refuge (Club Vosgien de Mulhouse Crêtes) at the foot of Rainkopf.

(4) 100 metres after the refuge, leave the Yellow Cross trail on your left and the Red Rectangle with a White Bar on your right to climb into the forest via the Blue Rectangle. As you leave the forest, the slope becomes steeper, but the view to the left over the Fecht valley is magnificent, with Lake Altenweiher below.

(5) Stop at the summit to enjoy the 360° panorama. Descend via the path opposite, heading south, or take the Blue Cross marked path a little further on. These parallel paths lead to the Col de Rothenbach. Opposite you is the uniquely shaped summit of the Rothenbachkopf.
(6) At the pass, take the Croix Bleue trail on the left, which crosses the Cirque du Leibelthal below the Rothenbachkopf to the Steinwasen farmhouse inn (beautiful view of the valley). The return through the forest begins in a meadow via the steeply descending Croix Bleue trail.

(7) Turn right to enter the forest, then follow the Blue Cross trail as it winds downhill. You will occasionally cross the Steinwasen road, which is a longer but easier alternative.

(8) Once you reach the Wiedenbachrunz valley, a road runs alongside the stream. Follow it for 100 metres to rejoin the Blue Cross trail on the right bank of the stream. Further on, leave the trail that leads to Mittlach and take the left turn towards the Kolben car park. After 400 metres, you will come to the large rock marking the GPS point 48° North / 7° East, then the tarmac road leading to the car park (S/E).

Waypoints

  1. S/E : km 0 - alt. 689 m - Kolben car park
  2. 1 : km 1.64 - alt. 925 m - Dam, take Croix Bleue - Altenweiher
  3. 2 : km 4.16 - alt. 1,076 m - On the left, Blue Rectangle trail
  4. 3 : km 5.79 - alt. 1,224 m - Turn left at the blue rectangle
  5. 4 : km 7.38 - alt. 1,192 m - Climb into the forest via the Blue Rectangle - Refuge Louis Hergès
  6. 5 : km 8.06 - alt. 1,304 m - Rainkopf
  7. 6 : km 8.65 - alt. 1,202 m - Croix Bleue trail - Col du Rothenbach (1203m)
  8. 7 : km 10.62 - alt. 1,066 m - On the right, the recommended trail
  9. 8 : km 12.65 - alt. 815 m - On the right, along the stream
  10. S/E : km 13.66 - alt. 688 m - Kolben car park

Notes

Some sections require caution and concentration in wet weather in the first two kilometres between Lake Altenweiher and Kerbholtz.
The path below Rothenbachkopf is closed in winter when there is snow (avalanche risk throughout the Cirque de Leibelthal crossing).
In the Steinwasenwald, the Croix Bleue path is sometimes cut off due to logging work. In this case, you will need to use the longer but very easy carriage road.

There are three farm inns along the route: at Kastelbergwasen, Firstmiss and Steinwasen. They offer traditional food during the transhumance period (usually from mid-May to mid-September).
Before the ascent of the Rainkopf, the "Louis Hergès" refuge of the Club Vosgien de Mulhouse is now closed.

Club Vosgien markings: CV signs

Worth a visit

The Germanic origin of place names is not always obvious:
- Kolbenwasen is a former coal mining site in the Kolben valley (Kohle = coal in German).
- Le Kerbholtz is a former marcairie (mountain pasture), Kerben = notch, crenellated.
- Rainkopf: rein = steep and kopf = head, summit.
- Rothenbach: red stream for some (Rougegoutte for the Vosgians) comes more from Rotten = troops and Pass = passage, pass.
- Leibelthal: leifelthal in the 18th century, laüfe = expedition and thal = valley.
- Mittlach: mitte = middle and ah = stream or loch = forest or hole. Source: Mr Rémy JAEGLE, Mittlach Town Hall.

Reviews and comments

4.6 / 5
Based on 7 reviews

Reliability of the description
4.7 / 5
Ease of following the route
4.3 / 5
Route interest
4.7 / 5
pastuyy
pastuyy

Overall rating : 4.7 / 5

Date of your route : Aug 11, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

very beautiful hike, but I would say that the elevation gain is more like 750 metres

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FJ6888
FJ6888 ★

Thank you for your feedback.
I was able to access your route, which will allow me to correct mine from 2017. In eight years, some trails have changed. I will also visit the site at the earliest opportunity to check.

I saw that at the start you took a trail that deviates from the stream, which starts about thirty metres from the 2017 Yellow Cross marked trail, then becomes a circular trail that returns to the stream. It was indeed moved in 2021 by the Munster CV. According to the Datalsace website, your route is the correct one.
However, after Lake Altenweiher, you stayed on the Croix Jaune, forcing you to retrace your steps. Normally, with the app, if you activate the sound alert, as soon as you stray a few dozen metres, you are notified.
Menu > Settings > Audible alert.
Your comments are invaluable for updating the routes and descriptions of hikes, thank you.

Best regards

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corinnedgd
corinnedgd
• Edited:

Overall rating : 4.3 / 5

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

Hike done on a Sunday in good weather with lots of other hikers. You need to read the description because the GPS track is not always accurate. The terrain is very varied (scree, forest trails, hillside trails, etc.). The hike is beautiful and not technically difficult, but it is demanding.

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gpapy59
gpapy59

Overall rating : 4.7 / 5

Date of your route : Jun 20, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

smooth

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abator
abator

Overall rating : 4 / 5

Date of your route : Mar 02, 2020
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good

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FJ6888
FJ6888 ★

Indeed, if the weather is poor, the route loses much of its appeal and certain sections can become tricky.
Thank you for your comment.
Kind regards

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It@k
It@k

Overall rating : 4.7 / 5

Date of your route : Jul 14, 2019
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good

The hike started off in mild weather, but conditions quickly deteriorated, with intermittent rain.
The climb up to Kastelbergwasen was mainly through forest, so this wasn't too much of a problem.
Once on the ridges, the horizon was obscured by clouds, which blocked the superb views over the Alsace plain. Be careful on the slippery descent in the rain. To be repeated in better conditions.

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beatricenast
beatricenast

Overall rating : 4.7 / 5

Date of your route : Jul 13, 2015
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

A very beautiful hike enjoyed with the family under a sun that was not too hot, but which requires a bit of stamina and good walking ability - very beautiful and varied landscapes - a walk that I can only recommend for its diversity along the route.

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vincent.metzger
vincent.metzger
• Edited:

Overall rating : 5 / 5

Date of your route : Jul 12, 2015
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

Great area for hiking!

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