From 1 April 2026, AccroCamp Boucles de Seine in Moisson invites you to enjoy a brand-new forest adventure! Nestled in the heart of the Boucles de Seine leisure centre, this treetop adventure park awaits you for a unique experience in the heart of nature.
Practical information
| Dates | From 1 April 2026 to 1 November 2026 |
| Address | Ile de Loisirs des Boucles de Seine, Île de loisirs des Boucles de Seine, 78840 Moisson |
| Admission | Pass bambin (parcours 1, dès 1m) : 11€ pass vert (dès 1m10, parcours 1 2 3) : 18,5€ pass bleu (dès 1m30, parcours 2 3 5 7) : 23€ pass parc (1m40 min, accès complet au parc) : 28€ |
| Updated | 24 July 2026 |
Why go?
Come and discover an exceptional treetop adventure park, offering a variety of courses for all ages, right in the heart of a protected natural area. Perfect for families and groups of friends looking to reconnect with nature whilst having fun.
What to see / do
Enjoy a range of treetop adventure courses and a chance to immerse yourself fully in nature.
Good to know
Don’t forget to arrive a little early so you can get kitted out and make the most of your day. Prices vary depending on the height of the participants and the route chosen.
How to get there
To get to the Ile de Loisirs des Boucles de Seine, take the J train line to Mantes-la-Jolie station, then a local bus. You could also opt for a Vélib’ if you’re feeling adventurous; it’s about 6 km from Mantes-la-Jolie.
What to do nearby?
After your adventure, discover:
- Claude Monet’s house in Giverny (15 mins by car), a must-see for lovers of Impressionist art.
- The Château de La Roche-Guyon (20 mins by car), a fascinating medieval site well worth a visit.
- The banks of the Seine in Mantes-la-Jolie (10 mins by car), perfect for a leisurely stroll along the water’s edge.
Things to bear in mind
| Top photo spot | The viewpoints from the tree courses. |
| Ideal for | Families and friends looking for an adventure in nature. |
| Estimated visiting time | 2 to 3 hours to enjoy the courses. |
| Best time to visit | Prefer mornings to avoid crowds. |
| Nearby activity to combine | Combine your visit with a discovery of Giverny. |
Frequently asked questions
What are the prices for accessing the courses?
The prices are: Toddler Pass (£11), Green Pass (£18.5), Blue Pass (£23) and Park Pass (£28).
When does the AccroCamp Boucles de Seine take place?
The event will take place from 1st April 2026 to 1st November 2026.
Are there courses suitable for children?
Yes, courses suitable for children from 1m are offered.
How can we access the site by public transport?
Take the J train line to Mantes-la-Jolie, then a local bus.
What is the recommended duration to enjoy the AccroCamp?
Allow at least 2 to 3 hours to explore several routes.