Best natural monuments around Saint-Martin-De-Crau are primarily found within the unique Crau Plain, a semi-arid steppe known for its exceptional biodiversity. This region, including the Coussouls de Crau National Nature Reserve, features a distinctive pebble desert landscape and is a habitat for rare bird species and endemic insects. South of the town, the Étang des Aulnes offers a mix of natural habitats, including dry grasslands, wetlands, and ponds. These areas provide opportunities to explore diverse ecosystems and historical pastoral practices.
…Last updated: May 23, 2026
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From here you have a fantastic view of Baux de Provence.
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It's worth taking a hike there if you're nearby.
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It is clearly better to go there during the week and outside the high season 😅
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to avoid absolutely on weekends, too much cars and people. A kind of french Disneyland
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It is a pleasant route, embedded in the rock, with beautiful views of the surrounding area.
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Lake Peïroou is one of the most beautiful sites in the Alpilles massif. It is formed by a dam created in 1891 to supply the fountains of the village of Saint-Rémy-de-Provence. The name "Peïroou" comes from the Provençal which refers to the natural cavities in the rock due to erosion.
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nice climb, good road, little traffic
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Visitors frequently enjoy the panoramic perspective from View of Les Baux-de-Provence, offering a fantastic vista of the historic settlement. Another popular spot is Lake Peïroou, known as one of the most beautiful sites in the Alpilles massif. For a unique cultural and natural experience, the Quarries of Light (Carrières de Lumières) offer an immersive art projection within a gigantic cave.
The region is home to the distinctive Crau Plain, a semi-arid steppe often described as a pebble desert, which hosts a unique ecosystem. You can also explore the intricate mix of habitats at the Étang des Aulnes, featuring dry grasslands, wet meadows, and ponds. Geological formations like the Grotte de Balduin and Jean-Jean's Caisses Valley also offer fascinating natural sights.
Yes, several natural monuments are suitable for families. Lake Peïroou is a beautiful spot for a leisurely visit. The Quarries of Light (Carrières de Lumières) provide an engaging and unique artistic experience for all ages. Additionally, the Peau de Meau interpretation trail within the Coussouls de Crau National Nature Reserve is designed to educate visitors about pastoralism, insects, and birds, making it a great family outing.
The Crau Plain, particularly the Coussouls de Crau National Nature Reserve, is a haven for unique wildlife. It is the sole national breeding ground for the Ganga Cata (pin-tailed sandgrouse) and home to other notable bird species like the Little Bustard, Greater Oedicnema (stone curlew), and Hoopoe. The Crau Plain Grasshopper is also endemic to these steppe grasslands. The Étang des Aulnes also supports a diverse array of birds, small mammals, and insects.
Yes, the region offers various hiking opportunities. For example, the Grotte de Balduin is part of a hiking trail. You can find numerous routes in the area, including moderate trails like the "Les Opies – Valley of the burning trees loop" or the "Summit of Les Opies – Former sheepfold loop." Explore more options on the Hiking around Saint-Martin-De-Crau guide.
Beyond hiking, the Saint-Martin-De-Crau area is excellent for mountain biking and running. You can find challenging MTB trails like the "Desert of the Alpilles – Very nice track loop" or moderate running routes such as the "Running loop from Saint-Martin-de-Crau." For more details, refer to the MTB Trails around Saint-Martin-De-Crau and Running Trails around Saint-Martin-De-Crau guides.
The Crau Plain is unique due to its vast, semi-arid steppe landscape, often called a pebble desert, which is the fossil delta of the Durance river. It features a plant association found nowhere else in the world and supports unparalleled fauna, including endemic species. The traditional practice of transhumant sheep grazing has also shaped and maintained its distinct ecosystem for centuries.
Yes, the region offers insights into its rich history and culture. The Écomusée de la Crau, located near the church of Saint-Martin-de-Crau, provides a deeper understanding of the area's heritage, including its formation and the intertwined relationship between human activity and nature, such as the production of "Foin de Crau" (Crau hay) and traditional sheep farming. The Jean-Jean's Caisses Valley also holds historical significance as a refuge for an ancient Gallic oppidum.
The Quarries of Light (Carrières de Lumières) are noted as being wheelchair accessible, offering an inclusive experience within its unique setting.
The best time to visit the natural areas around Saint-Martin-De-Crau generally depends on your preferred activities. Spring and autumn offer pleasant temperatures for hiking and exploring the Crau Plain and Étang des Aulnes, with blooming wildflowers in spring and vibrant colors in autumn. Summers can be very hot, making early mornings or late afternoons more suitable for outdoor activities. Birdwatching is often best during migration seasons in spring and autumn.
For more detailed information about the Crau Plain, its unique ecosystem, and conservation efforts, you can visit the Martigues Tourism website: martigues-tourisme.com. The Écomusée de la Crau also offers extensive insights into the region's natural and cultural heritage.


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