4.4
(123)
6,555
runners
248
runs
Jogging around Oncy-Sur-École offers diverse natural landscapes within the French Gâtinais Regional Nature Park. The region is characterized by alternating woods, valleys, rivers, glades, and agricultural plains, providing varied terrain for runners. The École River meanders through a picturesque valley, offering tranquil routes, while Mount Grippon presents more challenging rocky slopes and elevation changes. Extensive forest areas ensure shaded paths and immersion in nature.
Last updated: May 18, 2026
4.7
(10)
43
runners
9.45km
01:05
80m
80m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(5)
11
runners
6.04km
00:40
10m
10m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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11
runners
9.27km
01:06
70m
70m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
6
runners
10.5km
01:15
90m
90m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
runners
5.48km
00:36
10m
10m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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A temple of Dada art!
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The cyclops visit is not free, 12 euros entry but it lasts 45 minutes and is very interesting. Limit of 25 people at a time. Please note that photos inside are prohibited. I recommend the first visit at 10:30 a.m. (less crowded)
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This sculpture, made of concrete and iron, represents the fantastic creature from Greek mythology which gave its name to the work. 22.5 meters high, the sculpture is a project by artists Jean Tinguely and Niki de Saint Phalle, carried out between 1969 and 1994. On site, you can also discover two other works: the Face of Mirrors and the Tribute to the Deportees. Visiting all the monuments is completely free.
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Impressive and surprising animated statue in the middle of the woods. The Cyclop is open from April to October every weekend, and from Wednesday to Sunday in July-August, from 10:30 a.m. to 6 p.m.
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Magnificent gigantic and very playful sculpture
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Only accessible on weekends.
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Jogging routes in Oncy-sur-École are set within the French Gâtinais Regional Nature Park, offering a rich variety of landscapes. You'll find alternating woods, serene valleys, the picturesque École River, open glades, and agricultural plains. The extensive forest areas provide ample shaded paths, while the École River valley offers tranquil, flat routes. For a more challenging run, Mount Grippon presents rocky slopes and elevation changes.
Yes, the Oncy-sur-École area boasts a wide selection of running trails. There are over 200 routes available, catering to various fitness levels. You'll find 20 easy routes, over 180 moderate options, and more than 30 challenging trails for experienced runners.
The running routes in Oncy-sur-École are highly regarded by the komoot community, with an impressive average rating of 4.5 stars from over 100 reviews. More than 6,000 runners have used komoot to explore the varied terrain, often praising the diverse natural settings and well-maintained paths.
Yes, there are several easy running routes suitable for beginners or those looking for a gentler pace. The area offers 20 routes classified as easy, providing a great way to enjoy the natural beauty without significant elevation changes. For example, the Running loop from Oncy-sur-École is a moderate 3.7-mile (5.9 km) path that offers a direct experience of the immediate natural surroundings.
Many of the running routes around Oncy-sur-École are designed as circular loops, allowing you to start and finish at the same point. This includes popular options like the Running loop from Milly-la-Forêt, which is 5.9 miles (9.4 km), and the Château de Milly-la-Forêt loop from Milly-la-Forêt, a 6.3-mile (10.2 km) trail.
While running, you can encounter several points of interest. The Château de Milly-la-Forêt loop from Milly-la-Forêt passes by the historic Château. You might also integrate a visit to nearby attractions like Milly-la-Forêt itself, or even the monumental sculpture known as 'The Cyclop' by Jean Tinguely, which can be part of longer routes like the Le Cyclop by Jean Tinguely loop from Milly-la-Forêt. Other notable sights in the broader area include Fleury-en-Bière Castle and Domaine de Courances.
Oncy-sur-École offers excellent running conditions throughout much of the year. The extensive forest areas provide shade during warmer months, making summer jogging pleasant. Spring and autumn bring beautiful foliage and comfortable temperatures, ideal for exploring the diverse landscapes of the French Gâtinais Regional Nature Park. Winter running is also possible, though conditions may vary.
While specific routes are not highlighted solely for viewpoints, the varied terrain, especially around Mount Grippon, offers elevated sections that provide scenic vistas over the surrounding glades, forests, and the École River valley. The natural features of the Gâtinais Regional Nature Park ensure picturesque scenery throughout your run.
As Oncy-sur-École is a rural commune within a regional nature park, parking is generally available near trailheads or in the village center. For routes starting from Milly-la-Forêt, parking options would be available within that town. It's advisable to check specific route details on komoot for recommended starting points and parking information.
The natural environment of Oncy-sur-École and the French Gâtinais Regional Nature Park is generally welcoming to dogs. Many of the trails are suitable for running with your canine companion, provided they are kept under control, especially in protected natural areas. Always ensure to follow local regulations regarding pets in natural parks.
The jogging trails in Oncy-sur-École vary significantly in length. You can find shorter routes, such as the Le Cyclop by Jean Tinguely loop from Milly-la-Forêt at 3.4 miles (5.4 km), to longer options like the Coquibus Pond loop from Milly-la-Forêt, which is 6.5 miles (10.4 km). The average duration for many routes is around 1 to 1.5 hours, but there are options for quick runs or longer endurance training.
Oncy-sur-École is a rural area, so public transport options might be limited compared to larger towns. However, nearby towns like Milly-la-Forêt may offer more connections. It's recommended to check local bus schedules or regional transport services for the most up-to-date information on reaching Oncy-sur-École and its trailheads.


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