Oze is a part of National park with spreading across Niigata, Gunma and Fukushima, which consists of the Ozegahara moor, the Ozenuma marsh and their surrounding mountains including Mt.Hiuchi and Mt.Shibutsu. Created by the lava flowing from Mt.Hiuchi which dammed up the Tadami River, it is the largest high moor in Japan set on a basin 1,400 to 1,700 meters above sea level.
It is good for hiking destination. Visitors can enjoy varied, beautiful natural landscapes, including vast marshlands, lakes, alpine areas, pristine forests and high waterfalls. The landscape will be changed seasonally from spring to autumn. Because of its height, oze is cooler than other places in Japan. Especially, in summer, you can enjoy its fresh air and feel relaxed by walking in the marshlands. Not only a beautiful place, oze is a place in which many people has been the effort of preservation. In the past Oze faced an environmental crisis caused by the trampling of its marshes by visitors. Now thanks to relentless effort, Oze retrieve its beauty. There is a lot of management by local people about preservation its nature.
Generally, it is difficult to walk around because of heavy snow in winter. Popular season is during end of May and beginning of October.