The Four Lakes Group is your local branch of the Sierra Club. We are an all volunteer organization dedicated to environmental education and conservation. We are one of six Groups in the Wisconsin Chapter.
The Four Lakes Group area includes more than 3,500 members in the counties of Columbia, Dane, Dodge, Green, Iowa, Jefferson, Lafayette, Rock and Sauk.
See what activities we have planned on our Outings/Events calendar.
Thank you participants and volunteers at the Garden Expo and Canoecopia!!
The following are events sponsored and hosted by the Sierra Club Four Lakes Group, the Wisconsin Chapter and other Groups and Sections within Wisconsin. Get outside and get active!
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Local News and Updates
2024 Willy Street Fair
September 21, 2024
Come see us at the Sierra Club table during the Willy Street Fair on Saturday, September 21st and Sunday, September 22nd!
September Pontoon Boat Ride
September 14, 2024
Get excited and join us for another summer day on the lakes where you can learn about wildlife, habitats and history of our lakes and the Madison area from the water!
August Pontoon Boat ride
August 17, 2024
Get excited and join us for a summer day on the lakes where you can learn about wildlife, habitats and history of our lakes and the Madison area from the water!