The Clutha River / Matau Branch is a significant waterway in the Otago region of New Zealand's South Island, renowned for its world-class trout fishing. It is one of the largest and most powerful rivers in the country, flowing from the outlet of Lake Wanaka and eventually reaching the Pacific Ocean. The Matau Branch is a major distributary of the lower Clutha River, splitting from the main stem near Balclutha and creating a vast network of braided channels, deep pools, and swift runs that provide exceptional habitat for large, hard-fighting trout. This river system is a premier destination for anglers seeking trophy brown and rainbow trout in a stunning, remote landscape.