Festival des 3 forêts
Running · Mériel, France · Saturday, September 12, 2026 — September 13, 2026
Organized by
Toutes les courses
Sport
Running
Participants
0
Goya participants
About this event
Lace up your running shoes for the Festival des 3 forêts in Mériel, a must-do trail date for all levels, with courses ranging from 13 km to 162 km. Discover the preserved nature of Val-d'Oise and the dense landscapes in Île-de-France. After the effort, explore the surroundings: Château de Chantilly, Auvers-sur-Oise, the Air and Space Museum in Le Bourget, and the Thermes de L’Isle-Adam for a day of pure relaxation.
Get your running shoes ready for the Festival des 3 forêts in Mériel, a must-attend event for every trail running enthusiast! Whether you’re into short distances or a seasoned ultra-runner, there’s a route for you, from 13 km to an impressive 162 km! 🏃♂️
Discover the natural, preserved beauty of Val-d'Oise while experiencing something truly unique in the heart of nature. The courses will take you through dense forests and breathtaking landscapes: a real adventure right in the heart of Île-de-France! ⛰️
After the effort, the reward! Just an hour’s drive away, explore the charms of the region:
- Visit the majestic Château de Chantilly and its enchanting park 🏰.
- Stroll through the quaint streets of Auvers-sur-Oise, tracing Van Gogh’s steps 🎨.
- Discover the Air and Space Museum at Le Bourget for a unique family experience ✈️.
- Enjoy a relaxing day at the Thermes de L'Isle-Adam to recharge 🛁.
- Try your hand at ropes course at the Parc Aventure Land for a day packed with thrilling moments! 🌳
So, ready to push your limits and experience an unforgettable adventure? Come take on the challenge! 💪
Weather forecast for the event
UV index
4.3
Moderate
Temperature
9° / 22°
Overcast
Humidity
66%
Wind
21 km/h
SO
Options & prices
(7)
Trail
NaturePrices are provided for information only — check the exact terms with the event organiser.
When
From Saturday, September 12, 2026 to September 13, 2026
Select your stay dates
September 2026
October 2026
September 2026
Questions about this event
Answers to your questions
Festival des 3 forêts is a running event in Mériel over 13 km and 162 km, taking place on Saturday, September 12, 2026 through Sunday, September 13, 2026. Find all the practical details — location, schedule and prices — directly on this page.
Festival des 3 forêts offers several distances to choose from: 13 km and 162 km. Check the exact course details with the organiser, especially when several formats take place on the same day.
Festival des 3 forêts takes place at Mériel. You will find its exact location and links to Google Maps and Waze further down this page.
Festival des 3 forêts takes place from Saturday, September 12, 2026 to Sunday, September 13, 2026. Check the exact schedule with the organiser, as times may vary by category or format.
Festival des 3 forêts is free to enter, with no participation fee expected. This information may change, so check it with the organiser.
No participant limit has been provided for Festival des 3 forêts. The number registered through Goya is visible on this page, but this information may change. If in doubt, contact the organiser.
To take part in Festival des 3 forêts comfortably, plan training suited to running, wear appropriate clothing and bring any equipment recommended by the organiser.
Festival des 3 forêts is organised by Toutes les courses. For questions about the rules, access or accommodation, contact the organiser directly.
The weather forecast for the location and date of Festival des 3 forêts is available higher up on this page and is updated as the event approaches.
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Where the event takes place
Mériel, France
Google MapsThis event page is provided for informational purposes only to help users discover sporting events. Goya is not affiliated with, endorsed by, or sponsored by the organiser of this event or any associated brands unless explicitly stated otherwise. The information displayed is compiled from publicly available sources and may change at any time. Goya does not use any official logos, protected images, or other proprietary content belonging to the event organiser unless expressly authorised. Any names or trademarks mentioned are used solely for descriptive purposes to identify the event. For the most accurate and up-to-date information, including event details, rules, registration, entry fees, and official announcements, please visit the event’s official website.
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