What We Do
On the edge of a dense urban setting, Bolsa Chica faces many threats from pollution, invasive species, and the consequences of climate change and sea-level rise.
Through our community-based programs and projects, outreach and advocacy, and nurturing strong community and government support, the Bolsa Chica Land Trust’s vision of a thriving, healthy and sustainable ecosystem for the entire Bolsa Chica is assured.
Working to acquire and protect the last threatened acres at Bolsa Chica to save a unique archaeological site and precious open space habitat.
The Bolsa Chica Stewards have been working since 1996 on the Mesa habitat restoration project.
Bolsa Chica needs constant and well-planned care to keep its habitats functioning and healthy.
Building awareness about the role of Bolsa Chica in the environment and its rich history through educational programs.
Inviting academic researchers to explore the many possibilities for investigative studies at the Bolsa Chica Ecological Reserve.
What’s New
2026 Summer Fundraiser
Dear Supporter, Diligent and thoughtful members, like you, have shaped the Bolsa Chica Ecological Reserve into a beautiful, peaceful refuge for nature and humans. The Bolsa Chica Land Trust began, in 1992, with determined volunteers who all shared the common goal-save the wetlands and mesa. Today, more community members are connecting with the Land Trust…
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Summer “Music from the Mesa” Newsletter 2026
The Summer 2026 Bolsa Chica Land Trust’s printed newsletter is now available online to read! If you prefer to read articles and news digitally, you can find our newest full length newsletter on our News page. Know someone who would enjoy it and want to let other people know about what’s going on at Bolsa…
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BCLT Welcomes New Executive Director
A new chapter in the inspiring story of the Bolsa Chica Land Trust has begun, with the naming of Diane Rosencrance as Executive Director effective June 11, taking the baton passed by visionary 14-year executive director Kim Kolpin, who has moved with her family to the Seattle area. Rosencrance is currently the Executive Director of…
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Learn more about the
Bolsa Chica
Ecological Reserve
Our Impact
30,000+ volunteers
have helped restore the Mesa
30,000+ 3rd graders
educated by the Miracles of the Marsh program
100,000+ CA native plants
from over 15 species planted for habitat restoration