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Rambouillet

Saint-Forget

Attractions and Places To See around Saint-Forget - Top 20

Best attractions and places to see around Saint-Forget include a variety of historical, cultural, and natural sites. Situated within the Haute Vallée de Chevreuse Regional Natural Park, this commune in the Yvelines department is approximately 30 kilometers from Paris. The area features a landscape rich in heritage and scenic beauty, offering diverse points of interest for visitors.

Best attractions and places to see around Saint-Forget

  • The most popular attractions is Côte des 17 Tournants, a challenging road climb. This section of departmental road 91 is known among cyclists for its ascent and the transition it offers between the wooded valley of the Yvette and the agricultural plateau.
  • Another must-see spot is La Madeleine Castle, a historical castle. Visitors can explore its historical aspects and enjoy views over the Chevreuse valley, with free entry to the courtyard.
  • Visitors also love Fauvettes Viaduct, a former railway bridge. Built in 1913 and now renovated for leisure, it offers views of the Chevreuse valley and is used for activities like caving and climbing.
  • Saint-Forget is known for its historical castles, challenging climbs, and scenic viewpoints. The region offers a variety of attractions to see and explore, blending natural landscapes with cultural heritage.
  • The attractions around Saint-Forget are appreciated by the komoot community, with more than 900 upvotes and 75 photos shared across 8 highlights.

Last updated: July 2, 2026

Dampierre-en-Yvelines Castle

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Castle well known to cyclists for its small paved strip which wakes up before going up the 17 turns.

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Milon-la-Chapelle Wall

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The coast is quite short (about 600 meters) but it is surely one of the steepest in the Chevreuse valley. No choice to go as a dancer! Provide a suitable gear otherwise it is the guaranteed stop.
This road that crosses the forest is very little used by cars.

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La Madeleine Castle

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A truly unmissable fortress, both for its historical side and the exceptional view over the Chevreuse valley. Free entry and distribution of booklets for visiting the courtyard (the interior of the castle cannot be visited).

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Côte des 17 Tournants

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As beautiful uphill as downhill! Be careful however to remain vigilant because cyclists, bikers and motorists share the road.

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Fauvettes Viaduct

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Magnificent viewpoint over the valley surrounded by greenery, accessible by "gravel" paths (roots and stones) through the wood or by "hiking / mountain biking" trails in the valley (it will however be necessary to ascend the elevation on foot in this case).
Built in 1913 for the "Paris-Chartres" line, bombed in 1944, unused, closed, the viaduct was recently renovated for leisure. We see caving groups training there, as well as climbers who practice climbing on the pillars.

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Tips from the Community

Jean Conquer 🇫🇷🇺🇸
January 22, 2025, Château de la Madeleine

This is why the feudal lords built this castle here. This viewpoint gives us a panorama of the entire valley.

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Exode
January 12, 2025, Viaduc des Fauvettes

Great view when you are at the top of the viaduct!

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Magnificent vestige that can be seen from afar when arriving at Chevreuse.

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Nice walk. Free entry to the courtyard even on weekends.

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plan of the viewpoints of the Chevreuse valley

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Good, dry hill to climb as a dancer. Burns in your legs guaranteed if you go all out! For more advice, don’t hesitate to follow us on Komoot and Instagram @chouchou_team

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“In the valley… oh… oh… of Chevreuse… la li la la… in the valley… oh… oh… I thought I heard cyclists. »

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ideal rating for cardio

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Frequently Asked Questions

What outdoor activities can I enjoy around Saint-Forget?

The area around Saint-Forget, nestled in the Haute Vallée de Chevreuse Regional Natural Park, offers diverse outdoor activities. You can find numerous options for hiking, running, and road cycling. The picturesque Chevreuse Valley provides beautiful landscapes for exploration, including walks along the Yvette river.

What historical sites can I visit in and around Saint-Forget?

Saint-Forget and its surroundings are rich in history. You can explore the La Madeleine Castle, offering historical insights and views over the Chevreuse valley. Other notable historical sites include the 17th-century Château de Mauvières, the Saint Gilles Saint Ferréol Church with its rare 15th-century medieval frescoes, and the Oratoire du Mesnil-Sevin, built after WWII.

Where can I find the best scenic viewpoints in the Saint-Forget area?

For panoramic views, visit the Fauvettes Viaduct, a former railway bridge that now offers magnificent vistas of the Chevreuse valley. The La Madeleine Castle also provides an exceptional view. Additionally, the Butte Ronde offers scenic rocky slabs and majestic beeches, and the Côte des 17 Tournants is known for its spectacular transition between the wooded valley and agricultural plateau.

Are there family-friendly attractions around Saint-Forget?

Yes, several attractions are suitable for families. Both Dampierre-en-Yvelines Castle and La Madeleine Castle are considered family-friendly, offering historical exploration. The Fauvettes Viaduct is also a great spot for families to enjoy views and observe activities like caving and climbing.

What natural features can I explore near Saint-Forget?

The region is rich in natural beauty. Saint-Forget is located within the Haute Vallée de Chevreuse Regional Natural Park, offering picturesque landscapes and the Yvette river. The Butte Ronde features rocky slabs and ancient beeches, and the 'Lavoir de la source aux fées' (Washhouse of the Fairies' Spring) is associated with a spring believed to have therapeutic properties. The nearby Forêt de Rambouillet also provides extensive natural areas for enjoyment.

What is the 'Côte des 17 Tournants' and why is it popular?

The Côte des 17 Tournants is a section of departmental road 91 famous among cyclists for its challenging ascent and the spectacular transition it offers between the wooded valley of the Yvette and the agricultural plateau of Mesnil-Sevin. It's appreciated for both its difficulty and the scenic beauty it provides, making it a popular spot for sports enthusiasts.

Are there any challenging climbs for cyclists in the area?

Absolutely. Besides the well-known Côte des 17 Tournants, cyclists can test their limits on the Milon-la-Chapelle Wall. This climb, though short, is considered one of the steepest in the Chevreuse valley, offering a significant challenge.

What is the significance of the Saint Gilles Saint Ferréol Church?

The Saint Gilles Saint Ferréol Church, also known as Saint-Gilles Chapel, dates back to the 13th century, with the current structure dedicated in 1539. It is particularly significant for its remarkably preserved 15th-century medieval frescoes, discovered in 2003. These Italian-style frescoes depict scenes of the Last Judgment, a crucifixion, and local patron saints, making them a rare and important artistic testimony in the department.

What are some lesser-known or 'hidden gems' in the Saint-Forget region?

Beyond the main attractions, you might discover the 'Lavoir de la source aux fées' near the Butte Ronde, a washhouse with historical spiritual significance. The Villa Ducret, an example of modern architecture from 1957 designed by André Wogenscky (a collaborator of Le Corbusier), offers a unique architectural perspective. The Oratoire du Mesnil-Sevin, a post-WWII oratory, also provides a quiet, reflective spot.

What is the Fauvettes Viaduct used for today?

The Fauvettes Viaduct, originally built in 1913 as a railway bridge, was bombed in 1944 and later renovated for leisure activities. Today, it serves as a magnificent viewpoint over the Chevreuse valley and the Bures-sur-Yvette forest. It's also a popular spot for caving and climbing groups who use its pillars for training.

Are there any castles near Saint-Forget that are open to visitors?

Yes, you can visit La Madeleine Castle, which offers free entry to its courtyard and provides booklets for self-guided tours, though the interior is not open to the public. The Dampierre-en-Yvelines Castle is also nearby, though it may be undergoing renovations at times.

What is the best way to experience the Chevreuse Valley from Saint-Forget?

To best experience the Chevreuse Valley, consider exploring its numerous hiking or cycling routes. These paths often follow the Yvette river, offering charming views and opportunities to discover the valley's natural beauty and historical sites like La Madeleine Castle.

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