WELCOME TO THE PARC SPORTIF DES 3 TILLEULS
The "My3Tilleuls" platform is your interface for managing your reservations at the Parc Sportif des Trois Tilleuls.
Once registered, you will be able to BOOK: Tennis courts and/or Padel... or manage your REGISTRATIONS: Swimming School and/or Intensive Swimming Courses.
This platform is constantly evolving and other services will soon be available.
So don't wait any longer and CREATE YOUR ACCOUNT or LOG IN now!
News
Entry/Level Tests are now available online for children aged 5 and older who wish to join our Swimming School.
📍 Mini Pool (ages 5–7)
🗓️ Monday 22/12 + 29/12: 10:00–10:30 / 10:30–11:00
🗓️ Tuesday 23/12 + 30/12: 10:00–10:30 / 10:30–11:00
📍 Calypso (ages 7–12)
🗓️ Monday 22/12 + 29/12: 14:00–14:30 / 14:30–15:00
🗓️ Tuesday 23/12 + 30/12: 14:00–14:30 / 14:30–15:00
⚠️ Limited spots (entry to the Swimming School cannot be guaranteed without a level test)
🔎 If you cannot attend on any of these dates, additional time slots may be offered in the “Late Arrivals” section on My3Tilleuls, if spots are still available.
📌 Important dates:
🗓️ Monday 29/12/2025 – from 12:00 PM:
Opening of the “after Entry Test” groups or for registrations after missing a cycle
🗓️ Tuesday 30/12/2025 – from 12:00 PM:
Opening of the “Aquatic Psychomotricity” group without entry test (ages 2.5–4)
Opening of the “Tadpole” group without entry test
⚠️ Children aged 4 (< 5 years) do not need to take an Entry Test ⚠️
All registrations are done online via My3Tilleuls.
29/12/2025 13:00
Re-enrollment for Cycle 2 of our Swimming School will open very soon!
Starting from the week of 15/12/2025, your child’s level will be updated at the end of their lesson.
📌 Important dates:
🗓️ Monday 22/12/2025 from 12:00 PM:
for children who remain in the same level/group
🗓️ Tuesday 30/12/2025 from 12:00 PM:
for children who move up to the next level/group
🔐 Log in to your My3Tilleuls account to complete the re-enrollment. If the indicated level does not seem correct, please register anyway to secure your spot; adjustments can be made afterwards.
All registrations are done online via My3Tilleuls.
22/12/2025 13:00
The CALYPSO swimming pool and the Hall des Sports will be closed on 25 December 2025.
25/12/2025 23:55
Le formulaire d'intervention financière 2025 pour les Chèques-Sports (Commune de Watermael-Boitsfort) est disponible ici pour le téléchargement .
15/09/2025 00:00
The CALYPSO swimming pool and the Hall des Sports will close on 1 January 2026.
01/01/2026 23:55
