Oirase is a picturesque river located in Aomori Prefecture, Japan. It flows through the Oirase Gorge, a scenic area known for its stunning natural beauty, including lush forests, waterfalls, and clear streams. The river is approximately 14 kilometers long and is a popular destination for hiking and photography, especially during the autumn months when the foliage changes color. The Oirase Gorge is part of the Towada-Hachimantai National Park and attracts many visitors each year. Along the river, there are well-maintained walking paths that allow people to enjoy the serene environment and observe the diverse wildlife. The area is also famous for its hot springs, adding to its appeal as a nature retreat.