The action " Stop Knotweed " is an important part of our association's work to protect the flora and fauna of Lake Geneva. We are delighted to announce that registrations open for the 2025 season, with over 110 dates available !
Register as a volunteer in the field
In 2024, more than 430 volunteersA total of 2,086 hours of weeding were carried out by the ASL. By the lake or on the banks of the waterways, nearly 7,800 kg of knotweed were removed on 268 stations monitored monthly. Visit A review of 2024.
Thank you to all our volunteers for their contribution to preserving the biodiversity of Lake Geneva!