The Ouse River, which flows through the English counties of North Yorkshire, East Sussex, and West Sussex, has several synonyms that can be used interchangeably. Some of these synonyms include: River Great Ouse, Great Ouse, River Ouse, Ouse, and Old West River. Regardless of their usage, these synonyms all refer to the same river system with its origins in the Pennines and its mouth at The Wash. The river offers stunning views and a rich history that can be explored through various means such as walking, boating, or cycling. It's worth exploring this natural wonder and taking in the different sights and sounds that it has to offer.