Rules
Be kind to the marsh and its creatures
San Joaquin Marsh Wildlife Sanctuary is owned and protected by Irvine Ranch Water District.
IRWD invites you to enjoy the marsh. But while you’re there, you must follow these rules to ensure the well-being of the plants and animals that call the marsh home.
No bicycles, scooters, or motor vehicles (except in parking lots)
No dogs or other pets (service animals permitted as prescribed by law)
No horses or horsebackriding
No drones
Stay on trails and obey all trail signs
Do not feed animals
Do not release animals
No smoking or vaping
No alcohol
No drugs
No fishing
No hunting
No firearms or pellet guns
No camping
No swimming or any contact with water
Do not drink pond water
Do not litter; dispose of trash properly
No organized events without prior approval by Irvine Ranch Water District
Do not collect or disturb the wildlife, including flowers or other plant materials, animals, birds, insects, rocks or any other element; harvesting of berries is allowed along Riparian View
All plants and animals are protected.
Hours: Open dawn to dusk.
Overflow parking lot will be locked at dusk or 8 p.m., whichever comes first.
For more information, call Irvine Ranch Water District at 949-453-5300 or visit IRWD.com/marsh. For lost and found items, contact Sea and Sage Audubon House at 949-261-7963.
