Union River is a small river located in Hancock County, Maine. It flows approximately 10 miles from Union River Bay into Frenchman Bay, providing a natural habitat for various wildlife and recreational opportunities for residents and visitors. The river is known for its scenic beauty and is popular for activities such as fishing, kayaking, and canoeing. The surrounding area features lush forests and picturesque landscapes, making it a peaceful destination for outdoor enthusiasts and nature lovers alike.