An unforgettable open-water swim event set on the crystal-clear, glacial-fed Lake Ruataniwha near Twizel. Choose from three swim distances tailored to all abilities: the Top Hut Sports Bar & Bürst o 500 m, Twizel/Mackenzie Four Squares 1.5 km, or the Mt Cook Alpine Salmon 3.8 km. A new Youth Category (12–15 years) joins the 500 m swim in 2025, offering young swimmers a great chance to get involved. Entry fees help fund water-based activities and water safety initiatives in the Twizel community—making your swim as meaningful as it is scenic.