ARNHA
American River Natural History Association
Mission and Bylaws of the
American River Natural History Association
The American River Natural History Association is a 501c3 nonprofit public benefit corporation whose purpose is to conduct, promote, aid, and augment educational and interpretive activities about the natural and cultural histories of the Sacramento region, principally in the American River Parkway, the Effie Yeaw Nature Center, and the educational facilities of other organizations and agencies along the lower American River. We are governed by the Bylaws of the Association, click "bylaws" tab below.
Board Meetings
Join us for the American River Natural History Association (ARNHA) Board Meetings, typically held on the 3rd Wednesday of each month at 6:30 PM. Your participation is welcome as we discuss important matters related to our mission of conducting, promoting, aiding, and augmenting educational and interpretive activities focused on the natural and cultural histories of the Sacramento region. Our work primarily serves the American River Parkway, the Effie Yeaw Nature Center, and other educational facilities along the lower American River.
Meeting Calendar 2025
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January 15th
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February 19th
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March 19th
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April 16th
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May 21st
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June 18th
Join Us for an American River Natural History Association Membership Meeting - The State of the Center
Date: Wednesday, April 23
Time: 5:00 PM
Location: Effie Yeaw Nature Center
2850 San Lorenzo Way, Carmichael, CA 95608
We’re excited to invite you to an American River Natural History Association’s Membership Meeting!
The evening will begin with a welcome reception, where you can connect with fellow members and enjoy light refreshments. Then, we’ll share important updates on the state of the center, including recent accomplishments, ongoing projects, and other news.
Your support and involvement are vital to our mission of inspiring appreciation and stewardship of the natural world. This meeting is a great opportunity to ask questions, share ideas, and stay engaged with the future of Effie Yeaw Nature Center.

We look forward to seeing you there!
RSVP: Please RSVP by Friday April 18th
Master Plan
(2021 Edition)
Strategic Plan
The Board of Directors adopted a Strategic Plan in 2021 that provides focus and direction for the Board and staff’s activities. The complete Plan can be found here.
The Goals of the Plan include:
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PROGRAMS – Realize full onsite and outreach program potential based on community needs.
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SUSTAINABILITY – Secure and maintain required financial resources that support the Effie Yeaw Nature Center as the premier nature education provider in the Sacramento region.
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PEOPLE – Continue to build an exemplary team of dedicated, passionate, and skilled individuals in a positive and productive work environment.
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PHYSICAL SITE/HABITAT – Enhance the physical and structural site to provide optimal use for visitors, staff, and animals.
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BOARD CAPACITY – Enhance the membership, skills, and diversity of the American River Natural History Association Board of Directors to set direction and provide oversight of the Natural History Association and the Effie Yeaw Nature Center.
Meet Our Board Members
See below for a list of our current Board Members.
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