Agua Hedionda Lagoon, Protected area in Carlsbad, California, United States.
Agua Hedionda Lagoon encompasses approximately 400 acres of salt marshes and coastal sage scrub vegetation, providing essential habitat for endangered species like the tidewater goby.
The lagoon was historically disconnected from the Pacific Ocean until dredging activities established a permanent connection around 1954, transforming its ecological characteristics.
The Agua Hedionda Lagoon Discovery Center hosts educational programs, bird hikes, and community events that foster environmental awareness among local families and school children.
The Discovery Campus operates daily from 9 a.m. to 4 p.m. with a suggested donation of $15 per group, offering accessible pathways and parking facilities.
Regular dredging operations remove approximately half a million cubic yards of sand every few years, benefiting both the lagoon's ecosystem and nearby beaches.
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