Topock Marsh (Havasu National Wildlife Refuge)

Large Colorado River wetland complex at the north end of Havasu National Wildlife Refuge (est. 1941)—prime Mohave County birding and boating habitat with cattail marsh, open water, and restored cottonwood–willow/mesquite. Visitor access via Catfish Paradise and North Dike for fishing, paddling, and wildlife observation; desert bighorn and 300+ bird species on the broader refuge.