4.5
(619)
2,919
riders
271
rides
Mountain biking around Sagy offers a diverse landscape characterized by rolling hills, dense woodlands, and scenic riverbanks, particularly along the Oise River. The region features a network of trails that traverse through historical areas, including routes near Villette Castle, and natural reserves like Hautil Forest. Elevation changes are present, with some routes featuring significant climbs, providing varied challenges for mountain bikers.
Last updated: May 8, 2026
4.9
(14)
77
riders
30.6km
02:05
190m
190m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.0
(5)
26
riders
53.9km
04:42
870m
870m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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4.6
(8)
22
riders
41.9km
03:11
500m
500m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
2.8
(6)
14
riders
17.9km
01:20
220m
220m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
18
riders
17.1km
01:49
460m
460m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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At the bend in the path, the entrance to Port Cergy appears, surprising...
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a short break for a drink with a beautiful view
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we sneak in, making ourselves very small
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Yes, Sagy offers a diverse range of trails suitable for various skill levels. You'll find 80 easy routes for beginners or casual rides, 177 moderate routes for those seeking a bit more challenge, and 18 difficult routes for experienced mountain bikers looking for demanding terrain.
The mountain bike trails around Sagy are characterized by rolling hills, dense woodlands, and scenic paths along the Oise River. You'll encounter varied elevation changes, with some routes featuring significant climbs, particularly within areas like the Hautil Forest.
Yes, Sagy has several family-friendly mountain bike routes. An excellent option is the Villette Castle loop from Cergy-le-Haut, which is an easy 17.9 km (11.1 miles) trail, perfect for a relaxed ride with less challenging terrain.
Many routes pass by historical sites and natural beauty spots. You can cycle near the historic Villette Castle, explore the expansive Hautil Forest, or ride along the Oise Riverbanks. Other nearby attractions include Château de Théméricourt and Corra Pond.
Yes, many of the mountain bike routes in Sagy are circular, offering convenient starting and ending points. For example, the popular Axe Majeur footbridge – Oise Riverbanks loop from Cergy-le-Haut is a 30.6 km (19.0 miles) circular trail.
The mountain bike trails in Sagy are highly rated by the komoot community, with an average score of 4.5 stars from over 600 reviews. Riders often praise the varied terrain, the beautiful dense woodlands, and the scenic riverbank paths, which offer a great mix of challenge and natural beauty.
While mountain biking is enjoyable year-round, spring and autumn generally offer the most pleasant conditions in Sagy. The weather is milder, and the natural landscapes are particularly vibrant. Summer can be warm, and winter may bring colder temperatures and potentially muddy trails.
Yes, for advanced riders seeking significant climbs, routes like the Villette Castle – Hautil Forest loop from Tessancourt-sur-Aubette feature substantial elevation gains, with over 869 meters (2,850 feet) of ascent over its 53.9 km (33.5 miles) distance.
Trail durations vary significantly based on distance and difficulty. For instance, an easy route like the Villette Castle loop from Cergy-le-Haut might take around 1 hour 20 minutes, while a moderate 53.9 km (33.5 miles) trail such as the Villette Castle – Hautil Forest loop from Tessancourt-sur-Aubette could take over 4 hours 40 minutes.
Given the dense woodlands and riverbank paths around Sagy, there are opportunities to observe local wildlife. Keep an eye out for various bird species, small mammals, and other forest creatures, especially during quieter times of the day.
Many trailheads and villages around Sagy, such as Cergy-le-Haut or Tessancourt-sur-Aubette, offer public parking options. It's advisable to check local parking availability for your chosen starting point before your ride, especially during peak times.


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