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2022.05.24 Topanga Lagoon from Beach looking upstream (1).jpg

TOPANGA LAGOON RESTORATION

California State Parks, CalTrans, County of Los Angeles Department of Beaches and Harbors and the Resource Conservation District of the Santa Monica Mountains are working to restore the Topanga Lagoon ecosystem, one of the last coastal wetlands in Southern California

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OUR GOALS

The Topanga Lagoon Restoration Project is a multiagency cooperative effort that seeks to protect and restore precious biological and cultural resources, create an integrated program for coastal access, emergency response and interpretation, and proactively address the effects of sea level rise.

9/23/2025

On January 8th, 2025 the Palisades Fire swept through the project area. All facilities on CA State Parks property within lower Topanga State Park were destroyed, while damage was more limited in the Los Angeles County's Topanga Beach area managed by the Department of Beaches and Harbors. Read more about impacts on the State Parks website here

 

Resource Protection Actions

Fish rescues of endangered tidewater goby and steelhead trout occurred in late January 2025, just before fire-induced mudflows further damaged the Topanga Creek watershed. Tidewater gobies have been successfully released into Topanga Lagoon post fire, and relocated steelhead trout are now thriving and reproducing successfully in a Santa Barbara County creek. We hope that once Topanga Creek has healed and fire-induced mud has naturally flushed out, steelhead can return home. Read more about these fish rescues in this article from the RCDSMM

 

Current Project Site Access

Lower Topanga State Park day use area and trails are currently closed to the public per a superintendent's closure order. At this time, the area is being utilized by Los Angeles Department of Water and Power as a unified utility rebuild operations center to service the Pacific Palisades community. Please contact State Parks if you have any questions at angelesinfo@parks.ca.gov.

 

Topanga Beach is open to the public including the parking lot. 

Design Update

Design efforts for the Topanga Lagoon Restoration Project are officially moving forward! Design Workshop Inc. was selected as the designer for visitor services facilities at the end of 2024 after a competitive bid process. Moffatt & Nichol Engineers is continuing to lead the bridge widening and lagoon design efforts for the project. Due to the Palisades Fire, design efforts were put on hold pending landowner discussions of next steps. While design efforts were temporarily put on hold due to the Palisades Fire, the design process officially restarted in March 2025. We anticipate holding a public meeting this winter to get your feedback.

Learn about important project updates and past public events.

Submit your thoughts regarding the restoration of Topanga Lagoon. Join our mailing list to stay up-to-date on news and events

Find answers to frequently asked questions regarding the restoration.

Explore this Site

2022.03.20 Sierra and Camera Man_Topanga Music Video Filming.jpg

We Made a Music Video

In an effort to invite as many diverse voices into the restoration process as possible, we have created a music video featuring Topanga Lagoon!

Watch the video below and join a young boy’s journey as he experiences the beauty and wonder of Topanga Lagoon through the eyes of an endangered southern steelhead. Please share the video and help us spread the word about this exciting restoration!

Project support generously provided by

CA Dept of Fish & Wildlife Logo
Coastal Conservancy Logo
Wildlife Conservation Board Logo
LA County of B&H Logo
CalTrans Logo
CA State Parks Logo
RCDSMM Logo
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