Welcome to the Mother Lode Chapter
We're 16,000 members strong!!
The Mother Lode Chapter (MLC) serves 24 northern California counties. Volunteer leaders in 11 local groups work together to provide opportunities for Club members to explore, enjoy and protect the planet. Membership is not required to go on Club outings or attend programs or committee meetings
The Sierra Club's members are over 750,000 of your friends and neighbors. Inspired by nature, we work together to protect our communities and the planet. The Club is America's oldest, largest and most influential grassroots environmental organization.
New volunteers are always welcome. MLC Email
Here are a few things we’re doing in Northern California...
Visit the Mother Lode Chapter's
Through grassroots activism, public education, lobbying and litigation, the Sierra Club works to protect the health of our environment and to
preserve our remaining wild places.
Be a Citizen Lobbyist!