Aratiatia Rapids, located near Taupō in New Zealand’s North Island, are a dramatic natural spectacle created by controlled dam releases on the Waikato River. Visitors can watch the rapids transform from calm pools into a powerful torrent when floodgates open several times daily, best viewed from safe lookout points along the gorge. Notably, the site was featured in The Hobbit: The Desolation of Smaug and is managed to balance hydroelectric power generation with tourism. With free access, scheduled viewing times, and interpretive panels explaining the river’s history.