Video footage ©William Bay
Drone footage ©Joshua Rittenberry

Experience Southern California's largest coastal wetland

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The Tijuana River National Estuarine Research Reserve is one of 30 Reserves in the United States. We preserve, protect, and manage the natural and cultural resources of the Tijuana River Estuary by creating opportunities for education and research while promoting public access for recreation throughout the Reserve. Come experience the beauty and wonder of this natural wetland habitat.

A mother and child overlooking the wetlands at the Tijuana River National Estuarine Research Reserve

Explore the Tijuana Estuary

From hiking and biking to birding and horseback riding, the Tijuana Estuary has something for everyone.

Student researcher Nancy Torres washes and separates the samples she's collected into multiple composites in the Tijuana Estuary.

Our Research

The unique socio-ecological setting of the Tijuana Estuary makes it an ideal "living laboratory" for researchers.

Students participate in an educational class at the Tijuana Estuary Visitor Center

Education Programs

The Tijuana Estuary offers a variety of educational programs that celebrate the natural and cultural resources found in the Reserve.

Current Announcements

Tijuana River Action Month

September 17 – October 15, 2022

Tijuana River Action Month (TRAM) is back and will include a variety of  clean-ups, restoration events, workshops and more. TRAM is a series of education and stewardship events held during September and October to benefit the Tijuana River Watershed.

Visit the TRAM website to get involved in an event.

The draft environmental impact statement/environmental impact report (DEIS/EIR) for Tijuana Estuary Tidal Restoration Program II Phase I (SCH # 2021050599) is now available for public review and comment.

Virtual Public Meetings:
Thursday, September 8, 2022
1:00 to 3:00 p.m. AND 6:00 to 8:00 p.m. Pacific Daylight Time

Public Comment Period:
August 19 through October 3, 2022

Current Conditions

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Water Temp

69.89° F

Dissolved Oxygen

8.21 mg/L

Water Level

4.63 ft

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Divided Together Podcast

Divided Together is a California State Parks podcast series that explores the land, the history, and the people surrounding Border Field State Park.

CA State Parks Research Assistant recording and informational video at the Tijuana Estuary

Lunchtime Live

Join us every other Tuesday at 12pm on Facebook for our Lunchtime Live event where we highlight a variety of species and topics at the Estuary.

Upcoming Events