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
Preserve Wisconsin Public Lands - Renew the Knowles-Nelson Stewardship Program!
February 20, 2025
The Four Lakes group encourages you to write your state-level politicians a postcard in support of the Knowles-Nelson Stewardship programFor more information about the Knowles-Nelson grants and how it has helped nearby public lands, try this...
PBS Garden and Green Living Expo 2025
February 7-9, 2025
Come see us at our booth!
-Friday, February 7th: 12:00pm-7:00pm
-Saturday, February 8th: 9:00am-6:00pm
-Sunday, February 9th: 10:00am-4:00pm