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Source of the Gardon – Lac Bleu on the Gardon loop from Château des Allymes

Routes

Hiking trails & Routes

Source of the Gardon – Lac Bleu on the Gardon loop from Château des Allymes

Moderate

4.5

(11)

hikers

Source of the Gardon – Lac Bleu on the Gardon loop from Château des Allymes

04:21

14.0km

500m

Hiking

Moderate hike. 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: May 12, 2026

Waypoints

Start point

Parking

Get Directions

466 m

Allymes Castle

Highlight • Castle

Allymes Castle is the only example of a medieval fortress in Bugey. Overlooking Ambérieu-en-Bugey, it is built on a mountain 650 meters above sea level. Its geographical location offers a breathtaking view of Savoyard Bresse and Dombes. As a strategic stronghold, it protected the entrance to Savoy, which was an independent state at the time. Allymes castle is the only example of a medieval fortress in Bugey. Overlooking Ambérieu-en-Bugey, it is built on a mountain 650 meters above sea level. Its geographical location offers a breathtaking view of Savoyard Bresse and Dombes. As a strategic stronghold, it protected the entrance to Savoy, which was an independent state at the time.

Translated by Google •

Tip by

1.58 km

SüßeTiere

Highlight • Other

5.57 km

Blue Lake

Highlight • Other

Lots of trails and shaded paths in the woods. On the other hand, it is preferable not to take at the start,
the path above the Abèanches is very steep.
It’s best to start at the source of the roach.
Nice circuit with very few roads.

Translated by Google •

Tip by

5.59 km

Lac Bleu on the Gardon

Highlight • Lake

Blue Lake, as you can imagine, owes its name to the bright shades of blue that its water takes on. The bridge that spans the lake makes it look bigger than it is, but it is actually the dam that creates the lake on the Gardon River.

Translated by Google •

Tip by

6.15 km

Chateau saint germain

Highlight • Other

8.13 km

Château Saint-Germain

Highlight • Historical Site

The Château de Saint-Germain, dating from the 11th century, is an old fortified castle whose ruins still remain on the site. It is located 460 meters above the Albarine valley, on a promontory which gives it strategic importance.

As a result, the castle underwent numerous seizures in an attempt to take control of it. A nice place to immerse yourself in history, but also to enjoy the view of the valley.

Translated by Google •

Tip by

12.6 km

Saint-Blaise Church of Allymes

Highlight • Religious Site

14.0 km

End point

Parking

Way Types & Surfaces

Way Types

6.89 km

6.39 km

496 m

261 m

Surfaces

11.3 km

1.30 km

853 m

381 m

177 m

Elevation

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

Highest point (630 m)

Lowest point (290 m)

Weather

Friday 22 May

30°C

11°C

0 %

Additional weather tips

Max wind speed: 12.0 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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Source of the Gardon – Lac Bleu on the Gardon loop from Château des Allymes

Allymes Castle

SüßeTiere

Blue Lake

Lac Bleu on the Gardon

Chateau saint germain

Château Saint-Germain

Saint-Blaise Church of Allymes

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