Réserve Naturelle De L'Ilon
Réserve Naturelle De L'Ilon
4.6
(1730)
8,733
hikers
264
hikes
Hiking in Réserve Naturelle De L'Ilon offers exploration of a 176-hectare protected area within the Bouches-du-Rhône department. The landscape features a mosaic of marshlands, wetlands with permanent water zones, and ancient forests. Additionally, areas of Crau "coussouls," unique dry grasslands, contribute to the varied ecological profile. Situated at the southern edge of the Alpilles Regional Natural Park, the reserve benefits from the backdrop of the Alpilles mountains.
Last updated: May 12, 2026
4.6
(21)
101
hikers
4.71km
01:15
50m
50m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
3
hikers
9.59km
02:33
100m
100m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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4.7
(17)
56
hikers
11.2km
02:59
110m
110m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.8
(11)
35
hikers
6.79km
01:46
40m
50m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.6
(5)
24
hikers
10.2km
02:45
120m
120m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Very pretty pond in the middle of an old bauxite quarry. Be careful ⚠️! The edges are absolutely not secure and a misstep would lead to a surely fatal fall given the height and verticality. Furthermore, it is forbidden to take the path by car, so you must continue on the road and leave it 5 minutes away in a parking lot. The round trip can be made in 40 minutes, excluding time on site.
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For 30 years, Alphonse Daudet repeated visits to Fontvieille where he came to recharge his batteries. This beautiful mill from 1814 undoubtedly inspired the famous author of Letters from my mill. Since 1935, an association has even held a museum dedicated to the writer inside.
2
0
beautiful motorhome parking space for 10 euros per night
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0
Nice walk along the impressive ruins until a rocky cut offers a magnificent view of the plain
2
0
There are five fully preserved mills in the forest. We only visited one by bike on this tour. A detour and a short hike are definitely worth it. Of course you can also ride from mill to mill on a mountain bike.
3
0
There are over 270 hiking routes in Réserve Naturelle De L'Ilon, offering a wide range of options for different abilities and interests. This includes 129 easy routes, 122 moderate routes, and 20 more challenging trails.
Réserve Naturelle De L'Ilon features a diverse mosaic of environments. You'll encounter extensive marshlands and wetlands with permanent water zones, ancient forests providing shaded paths, and unique dry grasslands known as Crau "coussouls." The reserve is also situated at the foot of the Alpilles mountains, offering a picturesque backdrop to your hikes.
Yes, the reserve offers a good selection of easy trails suitable for beginners and families. With 129 routes classified as easy, you can find gentle strolls that allow you to explore the natural beauty without significant effort. One easy option is the Daudet's Mill – Tissot Mill loop from Fontvieille - Croix de Jousseau, which covers about 6.7 km.
While the Réserve Naturelle De L'Ilon is a protected area focused on biodiversity, specific regulations regarding dogs on trails can vary. It's generally advisable to keep dogs on a leash to protect wildlife and ensure a pleasant experience for all visitors. We recommend checking local signage or the official Parc Naturel Régional des Alpilles website for the most current rules regarding pets.
The reserve's diverse ecosystems, including marshlands and forests, offer unique experiences throughout the year. Spring and autumn are often ideal for hiking, with milder temperatures and vibrant natural colors. Spring brings blooming flora and active birdlife, while autumn showcases rich foliage. Summer can be warm, so early morning or late afternoon hikes are recommended. Winter offers a quieter experience, with opportunities to observe different bird species.
Yes, many of the trails in Réserve Naturelle De L'Ilon are designed as circular routes, allowing you to start and end at the same point. Examples include the Barbegal Roman Aqueducts loop from Mas de Brunelly and the Castillon Towers – The Castillon Towers loop from Paradou, both offering engaging round trips.
Réserve Naturelle De L'Ilon is a haven for wildlife, particularly birds. It's home to 147 bird species, including notable ones like the Eurasian bittern, European roller, purple heron, and black-winged stilt. You might also spot European pond turtles, European beavers, and various dragonflies and amphibians. The rich biodiversity makes it an excellent spot for nature observation during your hike.
Yes, the Parc Naturel Régional des Alpilles, which manages the reserve, organizes guided nature outings. These tours, sometimes led by the reserve's curator, offer an educational opportunity to delve deeper into the unique natural environments and biodiversity of the Ilon marsh. For more information on these guided tours, you can visit jagispourlanature.org.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 1,700 reviews. Hikers often praise the unique marshland landscapes, the tranquility of the ancient forests, and the rich opportunities for birdwatching. The varied terrain and well-maintained paths also contribute to a positive hiking experience.
While the reserve is known for its accessible trails, there are 20 routes classified as difficult for those seeking a greater challenge. These trails may feature more significant elevation changes or longer distances. An example of a moderate route with some elevation is the Vestiges – Mont Paon Archaeological Site loop from Paradou, which includes over 200 meters of ascent.
While specific parking areas are not detailed for every trailhead, Réserve Naturelle De L'Ilon is generally accessible. Hikers typically find parking options near the starting points of popular routes or in nearby villages like Paradou or Fontvieille, which serve as common access points for the reserve's trails. It's always a good idea to check the route details on komoot for specific parking recommendations.
Given the varied terrain, including marshlands and forests, comfortable and sturdy hiking shoes are essential. Depending on the season, layers of clothing are recommended, as temperatures can change. Don't forget water, sun protection (hat, sunscreen), and insect repellent, especially during warmer months or when exploring wetland areas. Binoculars are also a great addition for birdwatching.


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