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Routes
Running trails & routes
France
Auvergne Rhône Alpes
Bourg-En-Bresse
Hautecourt-Romanèche

Cize-Bolozon Viaduct – View of the Gorges de l'Ain loop from Hautecourt-Romanèche

Routes
Running trails & routes
France
Auvergne Rhône Alpes
Bourg-En-Bresse
Hautecourt-Romanèche

Cize-Bolozon Viaduct – View of the Gorges de l'Ain loop from Hautecourt-Romanèche

Hard

4.0

(2)

6

runners

Cize-Bolozon Viaduct – View of the Gorges de l'Ain loop from Hautecourt-Romanèche

05:02

36.8km

1,460m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 27, 2026

Waypoints

A

Start point

Parking

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1

3.62 km

Serrière Bridge

Highlight • Other

Beautiful roads on either side of the river, in asphalt or path mode!

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2

15.3 km

With an unparalleled view of the Ain river, this summit offers breathtaking views but also the ruins of an ancient fortress.

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21.4 km

Tré le Mont

Forest

4

24.9 km

Cize-Bolozon Viaduct

Highlight • Other

The Cize-Bolozn viaduct is a railway road bridge that crosses the Ain river. It is 73 meters high and was built in 1875.

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5

25.2 km

Cize-Bolozon Viaduct

Highlight • Bridge

Nestled in a spectacular natural setting, the viaduct offers superb viewpoints over the Ain gorges. Built at the beginning of the 20th century and then rebuilt after the Second World …

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6

29.2 km

Spectacular view overlooking the Ain Gorges. The Jarbonnet rocks form beautiful cliffs above the valley.

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7

29.9 km

Jarbonnet Rocks

Highlight • Other

The rocks are a fascinating configuration of cliffs that also offer stunning views of the Ain River.

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8

32.5 km

View of the Gorges de l'Ain

Highlight • Viewpoint

Here you have a particularly remarkable view of the Ain gorges.

Translated by Google •

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B

36.8 km

End point

Parking

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Way Types & Surfaces

Way Types

17.2 km

10.7 km

7.04 km

955 m

749 m

Surfaces

26.1 km

4.73 km

4.02 km

1.87 km

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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 (650 m)

Lowest point (270 m)

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Weather

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Tuesday 1 September

29°C

12°C

0 %

Additional weather tips

Max wind speed: 9.0 km/h

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