The Great Waters Group represents Milwaukee, Waukesha, Ozaukee and Washington counties in southeast Wisconsin, on the shores of Lake Michigan. Our outings program has started back up so keep an eye on the Calendar and subscribe to our monthly e-newsletter. Use the buttons below to Donate, Join the Sierra Club or purchase a Gift Membership. These all bring funds back for the work of our local Great Waters Group.
- 
- 
Local News and Information
Mark Denning honored as Environmental Hero of the Year
December 4, 2023
The Great Waters Group of the Sierra Club recognizes Native American cultural speaker and educator Marin “Mark” Denning’s outstanding work with its Environmental Hero of the Year Award.
4 GWG ExCom members running for re-election
November 7, 2023
It’s time for Great Waters Group members in good standing to vote for four people running for GWG Executive Committee. Read on to see the biographies of Jennifer Abel, Scott Coulthurst, Victoria Gillet and Jasmine Viges. Vote by Dec. 16.
GWG Holiday Party and Fundraiser is back – sign up now!
November 6, 2023
The Great Waters Group's annual Holiday Party and Fundraiser is back indoors on Dec. 3 at Wil-O-Way Underwood, with the silent auction, dinner from Aladdin, and music. Read on to learn how to register.
November 16 program looks at protecting access to waterways
November 4, 2023
Free fall programs offer something for everyone. The Nov. 16 program is about the Public Trust Doctrine as it relates to Milwaukee's lakefront and RiverWalk and more. Read on to learn more. Please join us!
Exploring the Milwaukee River Greenway Part II: Nov. 18
October 30, 2023
The October hike along the Milwaukee River was so successful, we're heading back on Nov. 18 to hike along the west bank from the River Revitalization Foundation’s Turtle Park to Capitol Drive and back.