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Routes
Mountain biking trails
France
Alsace
Altkirch
Köstlach

View of Ferrette – Rossberg Observation Tower loop from Kœstlach

Routes
Mountain biking trails
France
Alsace
Altkirch
Köstlach

View of Ferrette – Rossberg Observation Tower loop from Kœstlach

Moderate

5.0

(2)

24

riders

View of Ferrette – Rossberg Observation Tower loop from Kœstlach

03:49

44.3km

690m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is right next to a parking lot.

Last updated: May 21, 2026

Waypoints

A

Start point

Parking

Get Directions

1

3.21 km

Grand étang de Feldbach

Highlight • Other

The Felbach pond is a site frequented by fishermen. This is a great place to have a picnic or, at least, a break in nature.

Translated by Google •

Tip by

3.62 km

Grand Étang

Lake

3

5.69 km

Church of St. James the Greater

Highlight • Religious Site

This Romanesque church is one of the Romanesque nuggets of Sundgau. Dating from 1144, it is classified as a historical monument. We can appreciate its sober structure which makes it beautiful.

Translated by Google •

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7.63 km

Grossespen

Forest

5

11.3 km

Roman remains

Highlight • Other

At the entrance to the village, there are remains of a Roman bath dating from the 2nd century. They are actually in the garden of the first house.

Translated by Google •

Tip by

6

14.4 km

View of Ferrette

Highlight • Viewpoint

Always worth the time to take the time to appreciate the calm, the weight of history

Translated by Google •

Tip by

7

17.1 km

Rossberg Observation Tower

Highlight • Viewpoint

The Rossberg Tower, 20 m high, offers an exceptional panorama at its summit. You can see the Jura, the Black Forest, the Vosges and, on a clear day, the Bernese Alps.

Translated by Google •

Tip by

8

24.8 km

Source de l'Ill

Highlight • Viewpoint

The birth of the Alsatian river. Nice place for a refreshing break. A tap allows you to cool off with water from the spring.

Translated by Google •

Tip by

9

25.2 km

Warth Chapel

Highlight • Religious Site

popular tradition associates this small sanctuary with the tragic end of the knight Rudolph of Warth, condemned to the torture of the wheel for having participated in the assassination of Albert I of Habsburg

Translated by Google •

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B

44.3 km

End point

Parking

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Way Types & Surfaces

Way Types

31.7 km

5.94 km

3.21 km

3.12 km

252 m

138 m

Surfaces

20.5 km

7.36 km

6.59 km

5.68 km

3.21 km

930 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (660 m)

Lowest point (400 m)

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Weather

Powered by Foreca

Thursday 28 May

30°C

13°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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