The Waiau Toa / Clarence River is one of New Zealand's longest and most scenic rivers, flowing roughly 209 to 230 kilometers from its headwaters to the Pacific Ocean on Marlborough's east coast. This major river carves through the dramatic Kaikōura Ranges, creating a remote and spectacular landscape that offers a premier multi-day fishing and rafting expedition. The river's extensive 3,300-square-kilometre catchment traverses the Hurunui, Marlborough, and Kaikōura districts, presenting a diverse and challenging environment for anglers seeking a true wilderness experience.