• Acorns

    Kumeyaay Ethnobotany: October 19

    Anthropologist Michael Wilken-Robertson presents on the native people's relationship with the land then and now. Book signing to follow!

    More info on TRNERR website

  • arrundo-TJ-river-valley-150

    Southern Border Fuels Project

    nvasive Plant Control Proposed for both Sweetwater and Tijuana Rivers, starting in October 2019.

    Southern Border Fuels Project

  • birders north mccoy trail

    Weekend Nature Walks

    Every Saturday and Saturday, there's something going on! Learn about wildlife on the refuge, guided by our knowledgeable docent staff.

    Guided weekend walks on the refuge

  • Estuary Explorers environmental education program

    Junior Rangers - Thursdays at 3:30 PM

    The Tijuana Estuary offers free activities for students 7-12 years of age, every Thursday from 3:30-4:30pm. Rain or shine. FREE!

    Tijuana Estuary Calendar

About the NWRS

National Wildlife Refuge System


The National Wildlife Refuge System, within the U.S. Fish and Wildlife Service, manages a national network of lands and waters set aside to conserve America's fish, wildlife, and plants.

Learn more about the NWRS