The Tijuana Slough National Wildlife Refuge administrative offices are co-located with National Estuarine Research Reserve staff. The refuge offices are staffed Monday through Friday 8:00 am to 5:00 pm. The visitor center is open Wednesday through Sunday 10:00 am to 5:00 pm.
Tijuana Slough NWR
301 Caspian Way
Imperial Beach, CA 91932
(Complex Headquarters’ number) (619) 221-3473
Tijuana Estuary National Estuarine Research Reserve (TRNERR)
301 Caspian Way
Imperial Beach, CA 91932
(619) 575-3613