4.6
(3518)
22,091
hikers
44
hikes
Waterfall hiking trails in Forêt Domaniale De Port-Royal are characterized by varied terrain, including the plateau de Trappes with its ancient millstone extractions and the valleys of the Mérantaise stream. The forest, part of the Parc naturel régional de la Haute Vallée de Chevreuse, features diverse ecosystems with wetlands and a mix of tree species like oaks, beeches, and birches. Streams such as the Rhodon and Mérantaise, along with historical "rigoles," contribute to the natural features. Hikers can expect a landscape shaped by gentle slopes and marked relief.
Last updated: October 26, 2026
9
hikers
19.2km
05:19
340m
340m
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4.8
(14)
85
hikers
26.5km
07:20
460m
460m
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

4.7
(49)
273
hikers
9.99km
02:40
110m
110m
Moderate hike. Good fitness required. Easily walkable paths.
5.0
(2)
15
hikers
8.93km
02:29
160m
160m
Moderate hike. Good fitness required. Easily walkable paths.
4.7
(41)
126
hikers
16.5km
04:31
250m
250m
Moderate hike. Good fitness required. Easily walkable paths.
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Cycling route of the Route des 500 Arpents
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Rest area at the intersection of Route des franchises - Route des 500 Arpents
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Now closed to the public since it became a hotel restaurant
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superb waterfalls, superb associative hostel with exhibition, café restaurant on the banks of the torrent, warm welcome
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Read carefully the details of the history of this quarry which supplied sandstone paving to Paris
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There are over 40 waterfall hiking trails in Forêt Domaniale De Port-Royal, offering a wide range of options for different skill levels and preferences. These trails are highly rated by the komoot community, with an average score of 4.6 stars.
The terrain is quite varied. You'll encounter the marked relief of the plateau de Trappes, which features ancient millstone extractions, as well as the more gentle slopes of the Mérantaise stream valleys. The forest itself offers a mix of paths through diverse ecosystems, from wetlands to areas dominated by oaks, beeches, and birches.
Yes, Forêt Domaniale De Port-Royal offers a good selection of easy waterfall hikes. Out of the 44 available trails, 14 are classified as easy, making them perfect for beginners or those looking for a more relaxed walk. These routes allow you to enjoy the natural beauty without significant elevation challenges.
Absolutely. Many of the waterfall trails in Forêt Domaniale De Port-Royal are designed as circular routes, allowing you to start and end at the same point. For example, the Vaux de Cernay Waterfalls – Vaux‑en‑Cernay Lake loop from Senlisse is a popular moderate circular trail that takes you through the scenic Vaux de Cernay Waterfalls.
Beyond the waterfalls, the region is rich in history and natural beauty. You can explore the ruins of the Abbey of Port-Royal-des-Champs, a site with deep historical significance. The forest also features historical 'rigoles' (channels) that were created to supply water to the Palace of Versailles, adding an intriguing historical layer to your hike.
Yes, the forest is well-suited for families. With a variety of easy and moderate trails, you can find routes that are manageable for children. The diverse ecosystems and the presence of streams offer an engaging environment for younger hikers to explore. Look for shorter, less challenging routes for a pleasant family outing.
Forêt Domaniale De Port-Royal is beautiful throughout the seasons. Spring brings vibrant wildflowers and fuller waterfalls after winter rains, while autumn offers spectacular foliage. Even in winter, the forest has a unique charm. The presence of streams like the Rhodon and Mérantaise ensures water features are generally present year-round, though their intensity may vary.
Generally, dogs are welcome on trails in French national forests, but it's always best to keep them on a leash to protect wildlife and ensure a pleasant experience for all visitors. Be mindful of any specific signage on individual trails or protected areas within the forest.
The duration of waterfall hikes varies significantly depending on the trail's length and difficulty. For instance, a moderate trail like the Vaux de Cernay Waterfalls – Cernay-la-Ville waterfalls loop from Senlisse can be completed in about 2 hours 27 minutes, while more challenging routes such as the Vaux‑en‑Cernay Lake – Dampierre Castle loop from Lévis-Saint-Nom might take over 5 hours.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 2,500 reviews. Hikers often praise the diverse landscapes, the well-maintained paths, and the captivating blend of natural beauty with historical elements, particularly around the Vaux de Cernay Waterfalls and the ancient abbey ruins.
Yes, the forest is equipped with amenities for visitors. You'll find picnic spots thoughtfully placed throughout the area, perfect for a break amidst nature. Additionally, L'Hamadryade, a house of the forest managed by the ONF, serves as an educational center offering insights into the forest's ecosystem and conservation efforts.


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