Båtservice Sightseeing A/S offers a comprehensive choice of bus and boat tours of Oslo. These range from a 50-minute boat tour on the fjord to a seven-hour ‘Grand Tour' which combines bus and boat. The company also offers a three-hour evening cruise in July and August. Departures are from Rådhusbrygge 3. City Sightseeing runs a range of themed coach tours departing daily from the National Theatre.