The Sonoma Group is part of the Redwood Chapter, and is made up of Sierra Club members who live in Sonoma County. The Sierra Club is a grass­roots, volunteer-­led organization. We invite you to find out more about our local activities and how you can be involved.

The Sonoma Group meets on the first Monday of every month at the Environmental Center, located at 55A Ridgway in Santa Rosa.

  • Conservation & subcommittee meetings: 5:00pm to 6:30pm
  • Group executive committee meeting: 6:30pm to 8:00pm.

Join us on a Redwood Chapter outing! Outings are free and open to the public.

Learn about local environmental problems from our Issues pages.

Check the Calendar for local hikes and meetings.


DROUGHT UPDATE: Click on image to see current water storage levels in Lake Mendocino and Lake Sonoma.

SCWA water supply charts

Gualala River logging

In Sonoma County, redwoods along the Gualala River are threatened by new logging plans. See the website of Friends of the Gualala River for updates and for how you can help their campaign to stop the logging.

Sign an online petition to Cal-Fire here.

Floodplain of Gualala River