Four Lakes is your local branch of the Sierra Club, America’s oldest, largest and most influential grassroots environmental organization.  Representing over 4,500 members in Southwest Wisconsin, we are an all volunteer group dedicated to environmental education and conservation.


Latest News…
  • July 26 and 27:  Atwood Fest Volunteers
    Need volunteers for tabling + zero waste duties. Learn more & sign up
  • Sunday, August 3:  Summer Picnic and optional outings
    Enjoy the Wisconsin outdoors with fellow Sierrans. Learn more & RSVP


—– Get Involved! ———————

volunteer events calendar outings
Join or Give conservation newsletter

——– Get Connected! ———————