The Naruko River is a river located in the Miyagi Prefecture of Japan. It flows through the scenic Naruko Gorge, known for its beautiful landscapes and vibrant autumn foliage. The river is approximately 30 kilometers long and is a tributary of the Kitakami River. The Naruko River is popular for various outdoor activities, including fishing and hiking. The surrounding area features hot springs, making it a popular destination for tourists seeking relaxation and natural beauty. The river's clear waters and rich ecosystem support diverse wildlife, contributing to the region's ecological significance.