Wilderness Landscape & Natural Heritage
Newport Back Bay Nature Preserve encompasses roughly 1,000 acres of wetland, marsh, and riparian habitat located behind Newport Beach in southern California. The preserve conserves the lower watershed of San Diego Creek before it empties into Upper Newport Bay, representing one of the largest coastal estuaries in Southern California. This area serves as a crucial stopover for migratory birds on the Pacific Flyway, while also supporting resident populations of fish, amphibians, and native plants. The marshland functions as an important filtration system for urban runoff from the surrounding metropolitan area, improving water quality before it reaches the Pacific Ocean. Visitors can explore several miles of well-maintained trails weaving through the bay’s edges, offering opportunities for birdwatching, nature study, and photography. Kayak and paddleboard access to the back bay provide a unique perspective on the area's tidal channels and abundant wildlife. The preserve also includes interpretive signage and observation points to educate visitors about the ecology and history of the bay. Historically, the bay was a vibrant estuary utilized by indigenous Acjachemen people and later developed into areas of salt production and recreational boating. Conservation efforts beginning in the 1970s have helped restore the wetlands and protect open space from urban development. Today, Newport Back Bay Nature Preserve offers an accessible urban refuge for native species and outdoor enthusiasts alike.
