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France

Bourgogne-Franche-Comté

Saint-Claude

Hauts-De-Bienne

Trou Bleu – Railway viaduct in Morez loop from Hauts de Bienne

Routes

Hiking trails & Routes

France

Bourgogne-Franche-Comté

Saint-Claude

Hauts-De-Bienne

Trou Bleu – Railway viaduct in Morez loop from Hauts de Bienne

Moderate

4.8

(5)

hikers

Trou Bleu – Railway viaduct in Morez loop from Hauts de Bienne

02:07

7.76km

100m

Hiking

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required. The starting point of the route is right next to a parking lot.

Last updated: July 11, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional du Haut-Jura

Waypoints

Start point

Parking

Get Directions

973 m

Hauts de Bienne

Highlight • Other

Hauts de Bienne is the name of the former municipality of Morez. Embedded in the gorges of the Bienne, it stands out for its steep landscape, its pretty viaduct and its charming town center where the Bienne flows.

Translated by Google •

Tip by

1.18 km

Morez Town Hall

Highlight • Other

3.79 km

Trou Bleu

Highlight • Natural Monument

Resurgence of water coming from the Lac des Mortes. The Passerelle is a fun bridge that crosses the Bienne.

Tip by

4.96 km

Viaduc du Saillard

Highlight • Bridge

The Saillard viaduct was built from June 1908 to September 1910 by the entrepreneur Alphonse Trunel. Crossing the stream and the Saillard ravine, the viaduct is built from limestone rubble, coming from local quarries and those of Villebois (Ain). With a total length of 97.68 m, width of 4.77 m between parapets, it has a maximum height of 46.40 m. It has a central arch with an opening of 25 m framed by four arches of 12 m, two on each side of it.

Translated by Google •

Tip by

5.94 km

Railway viaduct in Morez

Highlight • Bridge

Interesting railway viaduct in Morez on the railway line to Champagnole,
More information: de.wikipedia.org/wiki/Morez#Geschichte

Translated by Google •

Tip by

7.20 km

Church of the Assumption of Our Lady

Highlight • Religious Site

7.76 km

End point

Parking

Way Types & Surfaces

Way Types

2.77 km

2.69 km

1.87 km

230 m

178 m

Surfaces

4.46 km

1.39 km

1.30 km

326 m

272 m

Elevation

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

Weather

Thursday 16 July

25°C

12°C

78 %

Additional weather tips

Max wind speed: 16.0 km/h

to get more detailed weather forecasts along your route

Comments

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Trou Bleu – Railway viaduct in Morez loop from Hauts de Bienne

Hauts de Bienne

Morez Town Hall

Trou Bleu

Viaduc du Saillard

Railway viaduct in Morez

Church of the Assumption of Our Lady

Nearby routes

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