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Osny walks
Osny circular to Boissy-l'Aillerie
Visorando Member 
5.73 mi
+187 ft
-184 ft
2h 50
Easy
Departure from Osny (Val-d'Oise)
The hike begins in front of Osny Town Hall in the beautiful setting of Château Grouchy and its park bordered by a pond. The walk heads north-west to the town of Boissy-l'Aillerie, returning south and then east to the starting point via Grouchy Park.
Much of the route is away from roads with motor traffic.
From Cergy Saint-Christophe to Conflans-Sainte-Honorine
Visorando Member 10.63 mi
+161 ft
-410 ft
5h 00
Moderate
Departure from Cergy (Val-d'Oise)
A walk starting from the new town of Cergy will take you past the circular bends of the Oise, the Cergy leisure centre and its ponds, and the old villages of Vauréal, Jouy-le-Moutier and Neuville-sur-Oise in the Val d'Oise. You will arrive in the Yvelines at Conflans-Sainte-Honorine, the capital of inland waterway transport at the confluence of the Seine and the Oise.
Discovering Pontoise
Visorando Member 
4.60 mi
+279 ft
-279 ft
2h 20
Moderate
Departure from Pontoise (Val-d'Oise)
This route is rich in history and allows you to discover the heritage of Pontoise and its little-known paths.
The Heights of Boissy-l'Aillerie
Visorando Member 4.55 mi
+285 ft
-282 ft
2h 20
Easy
Departure from Boissy-l'Aillerie (Val-d'Oise)
A pleasant walk starting from Boissy-l'Aillerie station, through the wooded and grain-growing areas of the Vexin plateau.
Around Boissy-l'Aillerie
Visorando Member 8.41 mi
+404 ft
-413 ft
4h 15
Moderate
Departure from Boissy-l'Aillerie (Val-d'Oise)
Between town and countryside, this walk is mainly marked by yellow PR® markers.
The Chaussée Jules César and the Coteaux de la Viosne
Visorando Member 
7.47 mi
+486 ft
-486 ft
3h 50
Moderate
Departure from Boissy-l'Aillerie (Val-d'Oise)
A hike on the slopes of both banks of the Viosne, alternating between cultivated fields, woodland and charming villages. For about 3 kilometres, the route follows the course of an ancient Roman road, the Chaussée Jules César. There is a rich heritage to discover along the way: mills, a castle, churches, crosses, wash houses and beautiful houses.
From Pontoise to Conflans along the river
Visorando Member 
14.22 mi
+394 ft
-354 ft
6h 55
Difficult
Departure from Pontoise (Val-d'Oise)
A walk from station to station, following the river. After skirting the Oise to Port Cergy, the route joins the Île de Loisirs de Cergy, then takes the Axe Majeur to reach the old Pontoise–Poissy railway line. After the confluence, it follows the Seine along the quays of Conflans-Sainte-Honorine, following part of the discovery trail, before reaching the station.
From Cergy to Valmondois along the Oise
Visorando Member 
13.98 mi
+253 ft
-528 ft
6h 40
Difficult
Departure from Cergy (Val-d'Oise)
A hike from station to station with the Oise as the guiding thread. You will cross several wooded parks and follow the river for a long time, mostly on a right of way. At the end of the route, the passage through Auvers-sur-Oise is an opportunity to evoke the famous painter Vincent Van Gogh.
The heights of the Hermitage from the village of Ennery
Visorando Member 3.90 mi
+217 ft
-220 ft
2h 00
Easy
Departure from Ennery (Val-d'Oise) (Val-d'Oise)
A 6 km circular route offering a chance to discover a different side of Ennery, on its border with Pontoise.
The vineyards of Jouy-le-Moutier
Visorando Member 
5.19 mi
+282 ft
-282 ft
2h 40
Easy
Departure from Jouy-le-Moutier (Val-d'Oise)
This circular walk takes you on a journey of discovery through the four vineyards of Jouy-le-Moutier. You will learn about the past activities of this hillside with its old limestone quarries, the former CGB railway line that linked Pontoise to Poissy, the Jouy-le-Moutier menhir and two wash houses.
Along the Oise between Jouy-le-Moutier and Vauréal
Visorando Member 
4.04 mi
+262 ft
-269 ft
2h 05
Easy
Departure from Jouy-le-Moutier (Val-d'Oise)
A short walk, where heritage sites (churches, wash houses, covered walkway) alternate with a path along the Oise river.
The three-village circular route: Livilliers, Épiais Rhus and Génicourt
Association / Club / Walk leader 7.72 mi
+348 ft
-358 ft
3h 50
Moderate
Departure from Livilliers (Val-d'Oise)
Discover three villages in the Vexin region, with their splendid architecture.
The Avenue Verte in Vauréal, return via the Cergy ponds
Visorando Member 5.38 mi
+141 ft
-164 ft
3h 20
Easy
Departure from Jouy-le-Moutier (Val-d'Oise)
The route follows the Avenue Verte (Paris-London cycle route) from Jouy-le-Moutier to Vauréal. After crossing the Oise at the major axis, it returns via the Cergy ponds and the towpath to the Pont de Neuville bridge.
From Livilliers to Bréançon (circular route)
Visorando Member 
14.15 mi
+659 ft
-656 ft
7h 05
Difficult
Departure from Livilliers (Val-d'Oise)
The route follows theGR®1from Livilliers to Bréançon. On both the outward and return journeys, the walk passes through two villages in the Vexin region: Épiais-Rhus and Grisy-les-Plâtres. Before returning to Livilliers, the route leads to the Chapelle de Gérocourt in the commune of Génicourt.
The Oise River near the Cergy-Neuville Leisure Centre
Visorando Member 
12.24 mi
+515 ft
-531 ft
6h 05
Difficult
Departure from Éragny (Val-d'Oise)
The Cergy-Neuville Leisure Centre is located in a loop of the Oise River. The hike crosses the centre, giving you an idea of the variety of activities on offer there. It continues along the slopes of the right bank of the river, offering beautiful views of the entire meander. The passage through Port-Cergy, as well as several heritage sites (churches, wash houses, covered walkways, etc.), adds to the interest of the walk.
Cergy Ponds and Megaliths
Visorando Member 
8.06 mi
+509 ft
-512 ft
4h 10
Moderate
Departure from Neuville-sur-Oise (Val-d'Oise)
Set off to explore the three megaliths listed as historic monuments on the circular Oise route: two menhirs and a covered passageway, as well as the banks of the Oise, a pond, woods, a wash house, two wells, a fountain, the Axe Majeur and scenic viewpoints.
The wash houses of the Oise circular
Visorando Member 
7.30 mi
+203 ft
-203 ft
3h 30
Moderate
Departure from Neuville-sur-Oise (Val-d'Oise)
This walk takes you past numerous wash houses fed by springs located on the circular Oise in the municipalities of Jouy-le-Moutier, Vauréal and Cergy. Along the way, you will discover the Jouy-le-Moutier municipal park known as "Parc Raclet", the Rue des Blanchards and its curiosities, the old railway line that linked Pontoise to Poissy, the Axe Majeur, Gérard Philippe's house and the Cergy ponds leisure centre.