The Olney River is a small river located in the region of Buckinghamshire, England. It flows through the town of Olney, known for its picturesque scenery and historical significance. The river is part of the Great Ouse river system, which eventually drains into the North Sea. The Olney River is approximately 5 miles long and is characterized by its gentle flow and surrounding greenery. It provides a habitat for various wildlife and is a popular spot for local residents and visitors who enjoy walking, fishing, and observing nature along its banks.