AAT Kings tel 9518 6095, www.aatkings.com.au. One of the largest operators, its big-group bus tours cover city sights, wildlife parks, the Blue Mountains, Jenolan Caves, the Hawkesbury River and the Hunter Valley. Admissions and hotel pick-ups and drop-offs included.

CityRail tel 13 1500. Day-trips by rail can be very good value, generally covering all transport and entry fees - trips include the Blue Mountains and the Hawkesbury River.

East Coast Motorcycle Tours tel 0408/618982, www.eastcoast-mc-tours.com.au. Trips to anywhere you fancy in and around Sydney on Harley-Davidsons; rates range from $90 (1hr) to $345 (full day).

National Parks and Wildlife Service tel 9247 5033, www.npws.nsw.gov.au. Great tours of the harbour's islands and the Quarantine Station near Manly , as well as more sporadic bushwalking and special interest tours. Drop in to the information centre at Cadman's Cottage .

The Rocks Walking Tours , Shop 4, Kendall Lane, The Rocks tel 9247 6678, www.rockswalkingtours.com.au. One-and-a-half-hour guided walks in the stone streets of The Rocks. Mon-Fri 10.30am, 12.30pm & 2.30pm, Sat & Sun 11.30am & 2pm; $14.85.

Sydney Harbour Seaplanes tel 9388 1978. Taking off from Rose Bay, a fifteen-minute scenic flight over the harbour and Bondi Beach will set you back $220 for the whole plane, which takes six, or individuals can go up for $50 per person at scheduled times.

Unseen Sydney Walking Tours tel 9555 2700, www.unseensydney.com.au. This one-and-half-hour night-time Ghost Tour is well worth the money, led by an entertaining storyteller with a good sense of humour. The highlight is the final drink in the Hero of Waterloo . Tues & Thurs-Sun 6.30pm, meeting at an appointed place in Circular Quay; $19.80.