Agano is a river located in Niigata Prefecture, Japan. It flows for approximately 200 kilometers, starting from the Chūetsu region and emptying into the Sea of Japan. The river is known for its scenic beauty and is surrounded by lush landscapes, making it a popular spot for outdoor activities. The Agano River is also significant for its role in local agriculture and fishing. It provides water for irrigation and supports various fish species, contributing to the region's economy. The river is an important natural resource for the communities along its banks.