Drive yourself holiday
Visit the Remarkable Cave. Then spend the afternoon at Port Arthur, staying the night in the vicinity ...
Day 1: Devonport - Cradle Mountain - Launceston Day 2: Launceston - St Columba Falls - Bay of Fires Day 3: Bicheno - Freycinet Peninsula - Triabunna
Day 4: Port Arthur area
Day 5: Richmond - Russell Falls - Hobart Day 6: Hobart area and South Day 7: Lake St Clair - Nelson Falls - Queenstown Day 8: Wynyard - Stanley - Burnie - Devonport