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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.

Research and Monitoring

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

A group of students listen to a presentation by a California State Parks employee at the Tijuana Estuary

Education Programs

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

Current Announcements

Come be a part of our Team. Click on the links below to find out more.

Park Aide - Visitor Center

Senior Park Aide - Visitor Center and Gift Shop 

Volunteer Coordinator (Senior Park Aide)

Deadline to apply: 8/6/2026

Tijuana Estuary hiring poster with job openings and application link.

Improved Accessibility at the Tijuana Estuary

The Tijuana River National Estuarine Research Reserve has long offered San Diego residents a place to play, learn, and connect with nature and each other. We are proud to share that this special spot is now more accessible than before, so everyone can experience its beauty. Recently, the Reserve has made improvements towards accessibility at the Tijuana Estuary for visitors - these efforts reflect an ongoing commitment to expanding access. Click here for the Accessibility page to learn more about how the Reserve offers opportunities to visitors of all abilities.

Current Conditions

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Water Temp

75.668° F

Dissolved Oxygen

8.98 mg/L

Water Level

3.64 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.

Upcoming Events

  • July 24, 2026
    Friday Stewardship Session for Long-term Volunteers
    See more details