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Grand Cannon of Zillisheim loop from Sierentz

Routes

Bike touring routes & trails

Grand Cannon of Zillisheim loop from Sierentz

Hard

riders

Grand Cannon of Zillisheim loop from Sierentz

03:26

41.3km

480m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 28, 2026

Tips

Cycling is not permitted along parts of this route

After 0 m for 205 m

After 41.2 km for 205 m

Waypoints

Start point

Train Station

Get Directions

15.4 km

Our Lady of the Snows Chapel, Luemschwiller

Highlight • Religious Site

First mention of the chapel in 1598, then new construction 1621-23. Destruction under the revolution, then reconstruction in 1816. Frescoes painted in 1950.

Translated by Google •

Tip by

17.0 km

Viewpoint

23.5 km

Grand Cannon of Zillisheim

Highlight • Historical Site

Beneath the forest canopy, you can discover numerous traces of bygone times, still visible or legible; only the "barracks" have disappeared. During a guided tour with one of the site's enthusiastic volunteers, you can explore the underground tunnels and discover the organization of this impressive military infrastructure. Of course, you can also visit the surface infrastructure yourself, following the marked route, where the panels provide detailed explanations.
An application, "Site du Grand Canon de Zillisheim," is also available for download.

Translated by Google •

Tip by

23.6 km

Langer Max - Gun barrel 38-cm-SK-L/45

Highlight • Other

The 38 cm Schnellladekanone L/45 (38 cm S.K. L/45) was a gun used by the Imperial Navy and the German Army during World War I. Originally designed as a naval gun, it was also used on land under the designation 38 cm Geschütz Max or Langer Max. The "38 cm SK L/45" had a barrel with an inner diameter of 38 cm, making it one of the largest calibers used at the time. Its range was up to 48 km.

Between 1915 and 1916, the German army installed a naval gun called the "Langer Max" in the Zillisheim Forest.

This gun, designed to fire long bursts at Belfort and the Saint Amarin Valley, was actually a diversionary plan....

Translated by Google •

Tip by

41.3 km

End point

Train Station

Way Types & Surfaces

Way Types

24.5 km

7.79 km

6.02 km

2.01 km

732 m

119 m

< 100 m

Surfaces

21.8 km

13.0 km

6.15 km

325 m

Elevation

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

Highest point (390 m)

Lowest point (250 m)

Weather

Saturday 11 July

34°C

18°C

0 %

Additional weather tips

Max wind speed: 20.0 km/h

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Grand Cannon of Zillisheim loop from Sierentz

Our Lady of the Snows Chapel, Luemschwiller

Grand Cannon of Zillisheim

Langer Max - Gun barrel 38-cm-SK-L/45

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