Best attractions and places to see around Les Ulis, a town in the Essonne department of France, offer a blend of modern urban development and significant green spaces. The area features a variety of natural landscapes, architectural landmarks, and cultural facilities. Visitors can explore extensive parks, artificial lakes, and unique urban design elements. This region provides opportunities for outdoor activities and cultural engagement within a structured environment.
Last updated: May 5, 2026
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A jewel of French aviation lost in the middle of the forest!
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Beautiful climb of almost 2km (longest in the area) at an average gradient of 5%. Residential area in the first part then wooded section in the second part. There is a traffic light on the route but not too disturbing because you don't cross the road in the direction of the climb.
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A beautiful stretch to take when the wind is favorable. Be careful though, the road is a little damaged in places. And you can turn your head left and right to admire the lake.
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Possibility of taking a pee break 400m after the red light on the way up.
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A surprising image of a flowerbed from which a Mirage IIIR emerges. Buc is certainly a cradle of aviation... but this one dates from the years 1908-1920.
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The ponds of Saclay - because in fact there are two of them: the new pond and the old pond, separated by the dike on which the road passes - were developed in the 17th century to supply water to the park of Versailles. The old pond, the one to the west, has been placed under the status of ornithological nature reserve and allows you to observe some 250 species of birds, including 80 classified as rare or occasional, and the 300 species of plants that have been listed there.
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In the middle of the city and still very green.
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Les Ulis offers several natural spaces for exploration. You can visit the extensive North Park, which features a sandy beach, woods, play areas, and a symbolic vineyard. Other green spaces include South Park, Urban Park, and Paul Loridant Parc. For tranquil walks, consider the artificial Lac des Ulis or the peaceful Saclay Pond. The Châtenay-Malabry Greenway also provides a pleasant route for enjoying nature.
Yes, Les Ulis features several interesting landmarks. The Dungeon Tower Millstone on the Esplanade de la République recalls the area's rural past. The town is also known for its distinctive Gateways, eighteen bridges that separate pedestrian and vehicle traffic. The impressive Viaduc des Fauvettes is an architectural highlight with historical significance. Additionally, the Buc Aqueduct (arcades), a 580-meter long structure, historically supplied the fountains of the Palace of Versailles and is a magical place to visit.
Les Ulis has a vibrant cultural scene. The Boris Vian Cultural Center is a circular performance hall hosting a rich program of theater, concerts, and exhibitions. You can also visit the François Mitterrand Library, a community hub with a vast collection of books and media, or catch a film at the Jacques Prévert Cinema, classified as an art house.
Absolutely. The North Park is excellent for families, offering play areas and open spaces. Paul Loridant Parc also provides diverse green spaces and recreational facilities. For a unique experience, the Mirage IIIR Fighter Jet Monument, Buc is a surprising and interesting sight for all ages. The Châtenay-Malabry Greenway is also noted as family-friendly, especially during quieter times.
The area around Les Ulis is great for various outdoor activities. You can find numerous routes for cycling, gravel biking, and road cycling. For example, there are routes like the 'Montjay Tunnel – Fauvettes Viaduct loop' for gravel biking or the 'Bassin de Coupières – Fauvettes Viaduct loop' for general cycling. You can explore more options and detailed routes on the Gravel biking around Les Ulis, Cycling around Les Ulis, and Road Cycling Routes around Les Ulis guide pages.
Yes, there are several pleasant walking and hiking paths. The North Park offers a fitness trail and is part of a larger greenway. The Châtenay-Malabry Greenway is a popular trail that can take you towards Paris. For a peaceful stroll, the area around Saclay Pond is highly recommended. You can also find routes that incorporate landmarks like the Viaduc des Fauvettes for scenic walks.
Visitors particularly appreciate the blend of natural beauty and architectural interest. The Buc Aqueduct (arcades) is often described as a 'magical place' that appears unexpectedly. The Saclay Pond is valued as a 'haven of peace' for quiet contemplation. The Châtenay-Malabry Greenway is enjoyed for its pleasant route, especially during quieter times, offering a connection to nature even close to urban areas.
Yes, Les Ulis features some interesting artistic elements. You can discover 'The Stone-Causing' (La pierre qui cause), a sculpture composed of monoliths of slate, located in the green Courdimanche. Additionally, the Wallace Fountain, a typical 19th-century decoration, adorns the central square of the Vaucouleur residence, adding a touch of historical artistry to the urban landscape.
The Lac des Ulis, an artificial lake, is suitable for leisurely walks and offers opportunities for birdwatching. The various parks, such as North Park and Paul Loridant Parc, with their diverse green spaces and wooded areas, also provide habitats for local wildlife, making them good spots for nature observation.
The Business Park Courtaboeuf, established in 1967, is one of France's first high-technology parks and a significant economic hub. While it houses nearly 800 companies and employs 20,000 people, it is primarily a business district rather than a tourist attraction. It's an interesting example of modern urban development but does not typically offer visitor-specific activities or tours.
While Les Ulis is not known for dramatic mountain viewpoints, the Viaduc des Fauvettes offers an impressive architectural sight and can be a scenic spot for photography and enjoying the outdoors. The areas around Saclay Pond and the North Park also provide pleasant, open vistas, especially during walks.
Spring and early autumn generally offer the most pleasant weather for outdoor activities around Les Ulis, with mild temperatures ideal for walking, cycling, and exploring the parks. Summer can also be enjoyable, especially in shaded areas like the North Park or along the Châtenay-Malabry Greenway. Winter walks can be refreshing, particularly in the green spaces, though some paths might be less accessible depending on conditions.


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