Tijuana River National Estuarine Research Reserve 301 Caspian Way, Imperial Beach, CA91932 Tijuana River National Estuarine Research Reserve, more than 2,500 acres, was officially designated a national wildlife…More refuge in 1980 and a research reserve in 1982. Here the Tijuana River empties into the ocean. A museum at the end of Caspian Drive details the area's biodiversity and acts as a starting point to miles of trails. The reserves make up 2/3 of San Diego's County's biodiversity in what is the most biodiverse county in the continental United States. Visit the website for more information.
Tijuana Estuary Visitor's Center 301 Caspian Way, Imperial Beach, CA91932 Tijuana Estuary Visitor's Center is open to all visitors for free from Wednesday through Sunday. The visitor center…More answers questions or concerns and provides further information about the site. Visitors can go to the estuary and learn about such topics as endangered plants and birds and how plants in the site get rid of salt they take in. The center has a gift shop and binoculars that may be borrowed for sightseeing.