On Sunday, June 15, 2025, all three of our Athena parks will open their doors for the annual Open Day. This is the perfect time to discover naturism in a relaxed and casual way.

Admission is free all day

Feel free to bring your friends, family or acquaintances - non-members are also welcome.

Simply sign in at the front desk upon arrival.

Wondering what's on offer? Find out below what each park has in store especially for you!

Athena Ossendrecht

Experience the unique atmosphere of naturism in the border park Kalmthoutse Heide.

Athena Ossendrecht participates in the Open Day Nude Recreation of NFN Open & Bloot. A great opportunity to look around freely, participate in fun activities and ask all your questions.

  • Free reception with coffee/tea and pastries between 10 a.m. and noon

  • Signposted hiking trail through the domain

  • Information folder with Athena Magazine and helpful leaflets

  • Fun activities such as aqua gym, petanque and the screening of the short film Blootje

  • Pool and wellness area accessible all day (special introductory rates).

Athena Helios

Discover the freedom of naturism on World Day of Naturism.
Athena Helios welcomes you in a quiet, green environment near Leuven. The ideal time to get acquainted with naturism in a low-threshold way.

  • Continuous welcome from 11 a.m. to 7 p.m.

  • Cozy bar with refreshing drinks

  • Informative tour and animation

  • Free access to the sauna (subject to availability)


Note: The pool is not yet open due to technical reasons, we are working hard to reopen soon.

Athena Le Perron

Experience naturism in the heart of the Ardennes.
Athena Le Perron is the perfect place for those who love peace, space and nature at its finest. Come and enjoy the open atmosphere, the beautiful grounds and the refreshing outdoor swimming pool.

  • Continuous welcome from 11 a.m. to 6 p.m.

  • Free visit to the property and facilities

  • Pool open for refreshment or relaxation

  • sauna from 1 p.m. to 5 p.m.

  • Cozy bar and info point

We hope to welcome you on Sunday, June 15, 2025.
Come alone, with your partner or bring friends - everyone is welcome!

Until then?

The Athena Team