Oirase National Park's Mountain Stream Hiking Guide 2025: Discover Japan's Most Enchanting Nature TrailAre you ready to walk along one of Japan's most magical natural landscapes? Flowing from Lake Towada through lush forests, the Oirase Mountain Stream in Aomori Prefecture is a breathtaking paradise of waterfalls, moss-covered rocks, and crystal-clear waters. Known as one of Japan's most scenic hiking routes, this natural wonder offers a journey of peace, beauty, and discovery.