The Liffey is a river that flows through the heart of Dublin, the capital city of Ireland. It stretches approximately 125 kilometers (78 miles) from its source in the Wicklow Mountains to its mouth at Dublin Bay. The river is an important geographical feature, dividing the city into the north and south sides. The Liffey is known for its picturesque bridges, such as the iconic Ha'penny Bridge and the O'Connell Bridge. It plays a significant role in the city's history and culture, serving as a focal point for various events and activities, including festivals and river tours.