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Bike touring routes & trails

France

Provence-Alpes-Côte D'Azur

Provence

Provence-Alpes-Côte d'Azur

Istres

Fos-Sur-Mer

Oppidum of Saint-Blaise – Viewpoint over the Étang du Pourra loop from Fos-sur-Mer

Routes

Bike touring routes & trails

France

Provence-Alpes-Côte D'Azur

Provence

Provence-Alpes-Côte d'Azur

Istres

Fos-Sur-Mer

Oppidum of Saint-Blaise – Viewpoint over the Étang du Pourra loop from Fos-sur-Mer

Moderate

5.0

(3)

riders

Oppidum of Saint-Blaise – Viewpoint over the Étang du Pourra loop from Fos-sur-Mer

02:15

23.9km

270m

Cycling

Moderate bike ride. 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 15, 2026

Waypoints

Start point

Bus stop

Get Directions

3.65 km

Engrenier Pond

Highlight • Lake

scenic bike path on the isthmus between the two etangs. Stupid locks at the beginning and end. Hard to get through with luggage.

Translated by Google •

Tip by

8.77 km

Chemin de Lavalduc

Highlight • Trail

trail maintenance is more like a mountain bike trail (in fact it is marked as a VTT trail locally ...)

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9.81 km

Route de Saint-Blaise

Highlight • Trail

Beautifully mysterious trail entrance off the old roman road between the two lagoons

Tip by

10.3 km

Oppidum of Saint-Blaise

Highlight • Other

A magnificent chapel and a high place of local archeology to visit which also offers magnificent views of the surrounding ponds and the town of Istres! Unavoidable !

Translated by Google •

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13.6 km

Viewpoint over the Étang du Pourra

Highlight • Viewpoint

15.8 km

Rock tombs in the Castillon forest

Highlight • Other

To the south and east of the Hellenistic and Etruscan ramparts (600 BC) of the Oppidum of Saint-Blaise one can still discover nearly 300 tombs, scattered on the plateau of …

Translated by Google •

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19.8 km

Engrenier Pond

Highlight • Lake

The Étang d'Engrenier can only be reached on foot or by bike. The lake has a very high salinity and hosts an unusual flora and fauna. He is surrounded by a very special atmosphere.

Translated by Google •

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20.2 km

Small sumpa tunnel

Highlight • Other

An essential passage under the railway

Translated by Google •

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23.9 km

End point

Bus stop

Way Types & Surfaces

Way Types

13.2 km

7.86 km

1.64 km

980 m

173 m

< 100 m

Surfaces

21.0 km

1.70 km

718 m

510 m

Elevation

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

Highest point (60 m)

Lowest point (-10 m)

Weather

Saturday 30 May

34°C

18°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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Oppidum of Saint-Blaise – Viewpoint over the Étang du Pourra loop from Fos-sur-Mer

Engrenier Pond

Chemin de Lavalduc

Route de Saint-Blaise

Oppidum of Saint-Blaise

Viewpoint over the Étang du Pourra

Rock tombs in the Castillon forest

Engrenier Pond

Small sumpa tunnel

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