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France
Bourgogne-Franche-Comté
Besançon
Guillon-Les-Bains

Saint-Ermenfroi Chapel – La Source bleue loop from Guillon-les-Bains

Routes
Hiking trails & Routes
France
Bourgogne-Franche-Comté
Besançon
Guillon-Les-Bains

Saint-Ermenfroi Chapel – La Source bleue loop from Guillon-les-Bains

Hard

4.5

(19)

105

hikers

Saint-Ermenfroi Chapel – La Source bleue loop from Guillon-les-Bains

05:57

19.5km

650m

Hiking

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: October 7, 2026

Waypoints

A

Start point

Parking

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1

5.36 km

Croix de Saint Erminfroi

Highlight • Monument

2

6.96 km

Saint-Ermenfroi Chapel

Highlight • Religious Site

Built on the foundations of a 12th century feudal castle, the chapel dominates the hamlet of Val-de-Cusance. It was built in 1880 and bears the name of Saint-Ermenfroi, who had …

Translated by Google •

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3

7.75 km

La Source bleue

Highlight • Natural Monument

The blue spring is a Vauclusian spring which emerges in an oval basin. Its depth is nine meters. Divers explored the submerged gallery over a length of 220 meters before …

Translated by Google •

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4

8.42 km

The Green Spring

Highlight • Cave

The green spring or the Cuse is located on the left side of the river at approximately the same height as the blue spring. This is the true source of …

Translated by Google •

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5

8.47 km

Cusancin spring

Highlight • Other

It is one of the two sources that feed the Cusancin, a river also known as “the Cuse”. It is greener than the blue of the Cove which is called …

Translated by Google •

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B

19.5 km

End point

Parking

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Way Types & Surfaces

Way Types

7.75 km

6.57 km

4.20 km

967 m

Surfaces

9.60 km

4.73 km

2.44 km

2.43 km

291 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 (490 m)

Lowest point (300 m)

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Weather

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Thursday 8 October

13°C

6°C

-- %

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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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