Best lakes around Berre-l'Étang are primarily defined by the vast Étang de Berre, Europe's second-largest saltwater lagoon, covering an expansive 15,500 hectares with a 75 km shoreline. This unique blend of fresh and saltwater, fed by rivers and connected to the Mediterranean, creates a distinct ecosystem. The area offers diverse landscapes and has undergone significant environmental rehabilitation, supporting rich biodiversity, particularly for bird species. Towns like Martigues and Istres border the lagoon, providing cultural insights and attractions.
Last updated: May 24, 2026
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Pond located between Castillon and Saint-Mitres in which many migratory and other animals land.
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This reservoir was created during the construction of the Marseille canal in the 19th century to supply the city. It is a beautiful nature reserve in the heart of the hills of the Arbois plateau. The site is a very rich ornithological reserve, and you can observe many species such as coots, swans, cormorants and egrets.
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I did part of this route. The views are magnificent and the route very pleasant. Everything is spoiled by the fly-tipping and the shanty town set up near the TGV station. Unacceptable in a departmental park where signs order us not to throw away our papers!
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greenway from Fos to the train station - unfortunately no signs
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Magnificent panorama with easy gravel access
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A small, easily accessible natural setting, surrounded by pretty trails and pleasant tracks, both for walking and mountain biking or gravel bikes. The Réaltor basin offers a beautiful diversity in terms of bird life: coots, grebes, swans, cormorants, egrets... and more during migration periods. Note that the banks on the north-east side (Calas side) are open to the public, but the south-west part (TGV station side), belonging to the Société des Eaux de Marseille, is fenced and inaccessible.
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An impressive rock. One of the last rock formations that you can see before you continue west and you only see the flat Camargue.
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The primary water body is the vast Étang de Berre, Europe's second-largest saltwater lagoon, covering 15,500 hectares. It's a unique brackish environment fed by rivers and connected to the Mediterranean. Smaller bodies like the Étang de Rassuen also exist, offering diverse natural settings.
Yes, the Étang de Berre features several quiet, shallow, and scenic beaches suitable for families. Popular spots include Romaniquette and Ranquet beaches in Istres, and Ferrières Beach in Martigues. These are often supervised and equipped with facilities. Additionally, Ensuès-la-Redonne Cove offers calm waters and coves for relaxation and is considered family-friendly.
The calm, wide waters of the Étang de Berre are ideal for various water sports like kayaking, sailing, windsurfing, jet skiing, and rowing. On land, you can explore numerous trails. For running, check out the Running Trails around Berre-L'Étang. Mountain biking enthusiasts can find routes in the MTB Trails around Berre-L'Étang guide, and gravel biking options are available in the Gravel biking around Berre-L'Étang guide.
For superb panoramas, visit the View of Étang de Berre highlight. Located at the top of a cliff, it offers expansive vistas of the water, sky, and the Vitrolles plateau. Other great viewpoints can be found from places like Cornillon-Confoux or the Aqueduct de l'Horloge in Saint-Chamas.
Yes, the region is excellent for bird watching due to significant environmental rehabilitation efforts that have conserved its rich biodiversity. The Étang de Berre and its surrounding marshes are home to numerous bird species. The Réaltor Reservoir, in particular, is a rich ornithological reserve where you can observe coots, swans, cormorants, and egrets, especially during migration periods.
The summer months are ideal for enjoying water sports and swimming at the beaches. However, the lagoon offers picturesque scenery year-round, with changing colors from silver at sunrise to deep blue at dusk. Spring and autumn are excellent for hiking and bird watching, as the weather is milder and migratory birds are more active.
Yes, the area around the Étang de Berre has a long history. Towns bordering the lagoon, such as Martigues, Saint-Chamas, and Istres, offer cultural insights and attractions. These towns often feature historical architecture and local traditions that reflect the region's past.
The Étang de Berre is unique as Europe's second-largest saltwater lagoon. Its brackish nature, a blend of freshwater from rivers like the Arc and Touloubre and saltwater from the Mediterranean, creates a distinct ecosystem. Extensive environmental rehabilitation efforts have also made it a significant site for biodiversity, particularly for bird species.
Yes, there are many pleasant tracks and trails suitable for walking around the various water bodies. For instance, the Réaltor Reservoir is surrounded by easily accessible trails. You can also find easy running loops like the Lido du Jaï loop from Marseille Provence Airport, which is listed in the Running Trails around Berre-L'Étang guide.
Absolutely. The region offers diverse terrain for cycling. The Réaltor Reservoir has trails suitable for mountain biking and gravel bikes. You can find detailed routes in the MTB Trails around Berre-L'Étang and Gravel biking around Berre-L'Étang guides, which include routes like the 'View of Étang de Berre – Plateau de l'Arbois loop'.
The salt marshes near Berre-l'Étang are notable for their distinctive pink-red color. This vibrant hue is a natural phenomenon caused by high salinity and the presence of specific microorganisms, adding to the unique visual appeal of the lagoon's diverse ecosystem.


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