The Gauja River is the longest river in Latvia, stretching approximately 452 kilometers. It flows through the picturesque Gauja National Park, known for its stunning landscapes, rich biodiversity, and historical sites. The river is a popular destination for outdoor activities such as kayaking, fishing, and hiking along its scenic banks. The Gauja River originates in the Valmiera region and eventually empties into the Gulf of Riga. It plays a significant role in the local ecosystem and supports various wildlife species. The river is also culturally important, with several ancient castles and towns located along its route, reflecting the region's history.