Le Léman and ASL need you: support our actions
Lake Geneva, this natural jewel that we share, is much more than just a landscape. It is a source of life for over a million people, a haven for biodiversity and a precious heritage to be preserved. However, it faces a number of challenges: spectacular plastic pollution, pernicious cocktails of micropollutants, threats to the [...]
Tribute to Jean-Bernard Lachavanne, who died on 21 June 2025
The committee members and staff of the ASL would like to pay a moving and grateful tribute to Jean-Bernard Lachavanne, a founding member of the ASL in 1980, President of the association from 1980 to 2022, and then Honorary President. We will always have fond memories of an outstanding personality who worked tirelessly and doggedly to protect [...].
Discover the ASL 2024 activity report
**View the 2024 Activity Report** Take a behind-the-scenes look at the ASL through our 2024 Activity Report. Discover our flagship projects, highlights and outlook for 2025. Between the "Net'Léman" citizen action, the "Léman Plastic Action" study, and the ASL's first exhibition in the new "Espace Léman", this year has been marked by many [...]
Lémanscope: join the project and take part in the launch evenings for the 2025 season
Take part in EPFL's Lemanscope participatory science project in collaboration with ASL, EAWAG and UNIL and help us measure the transparency and colour of Lake Geneva to understand seasonal variations in water quality across the lake. Take part in the project and special evenings By taking part in this study, you can [...]
Internship offer - Work in the heart of Lake Geneva with ASL
ASL is looking for a communications and events trainee to support its awareness-raising and Lake Geneva protection initiatives, for a period of 4 to 6 months (as soon as possible). Are you currently studying in the field of communications and digital marketing and dreaming of a rewarding experience in the heart of Lake Geneva? This [...]
ASL presents its New Year's greetings for 2025 on Lake Geneva
Dear Lake Geneva, we would like to take this opportunity to wish you a Happy New Year and, above all, good health. Our most immediate wish is for a cold snap in winter, but a really intense one that would bring about the long-awaited "Great Brewing" of your waters, bringing oxygen back to the deepest layers of the [...].
New at Espace Léman: activities for families and the general public
Join us at Espace Léman for some exciting events for families and the general public. Wednesday 8 January from 2pm to 3.30pm - Underwater herbariums: the secrets of the plants of Lake Geneva Tuesday 14 January from 6pm to 7.30pm - Aquatic encounters, discovering the fish of Lake Geneva Wednesday 29 January from 2pm to [...]
Come and visit Espace Léman, a reception and discovery centre dedicated to the lake!
Dive into the underwater world, observe the flora and fauna under the microscope and test your knowledge with our identification sheets. You can also find out more about one of the issues the ASL is currently focusing on: plastics and their fragmentation. Infographics, publications and books are available to enrich your [...]
Exhibition - Espace Léman: Sublacustrine forests, from 6 June to 22 September
This exhibition invites you to immerse yourself in the underwater meadows of Lake Geneva. Come and discover their importance, the life they shelter and the issues involved in preserving them. Guided tours are planned on Saturdays and Thursdays, open to all. There are also activities for schools and families with [...]
Activity report 2023: a dynamic year rich in initiatives to preserve Lake Geneva
**View the 2023 activity report** Among the year's notable achievements were the redesign of our offices and the creation of "Espace Léman", a reception and discovery area dedicated to Lake Geneva, which encourages direct contact with the public and raises awareness of the importance of sustainable management of aquatic ecosystems [...].
