All tours will last between 90 minutes and two hours and are free of charge. No pre-registration is required; all ages are welcome. Meet in front of the Arcata Marsh Interpretive Center, 569 South ...

Tour the marsh The Redwood Region Audubon Society will present a free guided field trip at the Arcata Marsh and Wildlife Sanctuary on Saturday from 8:30 to 11 a.m.

Meet at 2 p.m. at the Arcata Marsh Interpretive Center for a 90-minute, docent-led tour focusing on the “Three Ws of the Marsh”: wetlands, wildlife and wastewater treatment.