Oze National Park, is an area consisting of wetlands and mountains in Fukushima, Tochigi, Gunma and Niigata Prefectures in Japan. The park is 37,200 hectares in area and is the 29th national park in Japan. Opened on 30 August 2007, the park's area includes the marshes and the mountains in the Oze area, formerly part of the Nikko National Park, and other nearby areas including the Aizu-Komagatake and Tashiroyama mountains.