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ASL agenda

Find out about all the events organised by the ASL, as well as those in which it is involved.

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  • Wednesday 1 April

at

  • Saturday 31 October
  • Action in the field
  • 100% free

Stop Knotweed!

Get involved in the fight against this scourge! It's important for you to get involved and help us in our fight against...

  • Tuesday 14 April

at

  • Wednesday 29 April
  • Animation
  • 100% free

The Adventurers of Lake Geneva

Set off on an adventure in this travelling treasure hunt that will take you from the library to the games library and...

  • Thursday 23 April
  • Animation

Sublacustrine herbs: essential plants for the Lake Geneva ecosystem

Discover the fascinating world of aquatic plants in Lake Geneva. This animation invites you to explore the sub-lacustrine herbariums, veritable submerged forests...

  • Tuesday 28 April
  • Stand and event

National campaign "Giving Life Back" launched

La Ville de Genève participe à la campagne nationale « Redonner vie », portée par l’association « Biodiversité. Maintenant! »,…

  • Saturday 2 May

at

  • Sunday 3 May
  • Action in the field
  • 100% free

Net'Léman

A major clean-up of the lake Organised by the Association pour la Sauvegarde du Léman (ASL), Net'Léman is a clean-up of the...

  • Sunday 3 May
  • Stand and event
  • 100% free

ASL stand at the Troc des cultures

Based on sharing, the Crop Swap invites you to swap good advice and equipment to make your garden a success...

  • Thursday 7 May
  • Animation
  • 100% free

Explore Demain - Lake fish and sustainable fishing

As part of the Explore Demain festival, the ASL invites you to Espace Léman for an exciting event to discover the...

  • Wednesday 20 May
  • Animation
  • 100% free

Walk along the Versoix and nomadic drawing workshop

Take part in a walk along the Versoix and discover how the river is being restored to its natural state...

  • Wednesday 20 May
  • Stand and event

Fête de la nature in Epalinges

The Association pour la Sauvegarde du Léman (Association for the Protection of Lake Geneva) invites you to put on your boots and set off on a voyage of discovery of the small animals that...

  • Saturday 23 May
  • Stand and event
  • 100% free

Littering Campaign – Town of Thonex

The ASL will have a stand as part of the City of Thônex's anti-littering campaign.

  • Saturday 23 May
  • Stand and event

Fête de la nature in La Tour-de-Peilz

What's really hiding in the lake water? In this scientific observation workshop, children are invited to...

  • Friday 5 juine
  • Sortie nature

Eveil du Léman – journée mondiale de l’environnement

🌍 Journée mondiale de l’environnement Commencez la journée en douceur avec une promenade matinale le long des rives lémaniques. Nous…

  • Monday 29 June

at

  • Saturday 4 July
  • Camps

EAU'tour du Léman« residential summer camp»

EAU'tour du Léman is a 6-day residential summer camp on Lake Geneva aboard the Demoiselle, a...

  • Tuesday 30 juine
  • Sortie nature

Midi du Léman – Pause nature avec BiodiverCité

En collaboration avec le collectif BiodiverCité, l’ASL vous invite à venir profiter d’une pause ressourçante au bord du Léman. À…

  • Monday 6 July
  • Holiday passport

Water and its treasures - Passeport Vacances Lausanne in Saint-Sulpice

The Association pour la Sauvegarde du Léman, in conjunction with the Saint-Sulpice wastewater treatment plant, is offering children the chance to take...

  • Wednesday 8 July
  • Holiday passport

Water, source of life - Passeport Vacances Vevey

The Association pour la Sauvegarde du Léman (Association for the Protection of Lake Geneva) is offering children the chance to discover the small animals that inhabit the...

  • Thursday 9 July
  • Holiday passport

Water, source of life - Passeport Vacances Lausanne

The Association pour la Sauvegarde du Léman (Association for the Protection of Lake Geneva) is offering children the chance to discover the small animals that inhabit the...

  • Monday 13 July

at

  • Saturday 18 July
  • Camps

EAU'tour du Léman« residential summer camp»

EAU'tour du Léman is a 6-day residential summer camp on Lake Geneva aboard the Demoiselle, a...

  • Tuesday 4 August
  • Holiday passport

Water, source of life - Passeport Vacances Lausanne

The Association pour la Sauvegarde du Léman (Association for the Protection of Lake Geneva) is offering children the chance to discover the small animals that inhabit the...

  • Thursday 6 August
  • Holiday passport

Water, source of life - Passeport Vacances Vevey

The Association pour la Sauvegarde du Léman (Association for the Protection of Lake Geneva) is offering children the chance to discover the small animals that inhabit the...

  • Wednesday 12 August
  • Holiday passport

Water and its treasures - Passeport Vacances Lausanne in Saint-Sulpice

The Association pour la Sauvegarde du Léman, in conjunction with the Saint-Sulpice wastewater treatment plant, is offering children the chance to take...

  • Wednesday 12 August
  • Animation, Sortie nature

Atelier famille sur les traces de la biodiversité lémanique

🎉 Journée mondiale de la jeunesse Une activité ludique et familiale pour découvrir le Léman autrement ! Au programme :…

  • Thursday 27 August
  • Sortie nature

Journée mondiale des lacs

💧 Journée mondiale des lacs Terminez l’été en beauté au bord du plus grand lac d’Europe occidentale. À la tombée…

  • Tuesday 20 oct.ober
  • Holiday passport

Water, source of life - Morges Holiday Passport

The Association pour la Sauvegarde du Léman (Association for the Protection of Lake Geneva) is offering children the chance to discover the small animals that inhabit the...

  • Thursday 22 oct.ober
  • Holiday passport

Water, source of life - Morges Holiday Passport

The Association pour la Sauvegarde du Léman (Association for the Protection of Lake Geneva) is offering children the chance to discover the small animals that inhabit the...

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Espace Léman and our offices are closed from 24 December to 2 January inclusive.
Setting course for 2026!✨❄️ May this New Year bring each and every one of us peace, inspiration and a great collective drive for Lake Geneva.
Dent du midi vue du Léman, légèrement éclairée par un rayon de soleil doux avec le lac Léman calme au premier plan qui forme un miroir d'eau.

We look forward to seeing you in January to continue our work, share useful knowledge and work together to protect Lake Geneva. Your loyalty and commitment give our mission its full meaning, and we'd like to offer you our sincerest thanks.