On the banks of the Liffey , just 3 km ( 2 miles ) from the bustle of O 'Connell Street , lies the biggest urban park in Europe , comprising some 709 hectares ( 1,750 acres ) of landscaped gardens , woods , pastures , and playing fields for all sorts of sports .
O 'Connell Street is very active and has the banks of the Liffey located three kilometres away .