Hinchinbrook and Palm Islands Tours. Orpheus Island resort guests can take helicopter flights over Hinchinbrook Island National Park, Australia's largest protected island wilderness; cruise the Hinchinbrook-Cardwell channel, seeking out saltwater crocs in island estuaries and anchoring in secluded coves for guided rain-forest treks to Zoe and Mulligan waterfalls; or take a leisurely cruise around the Palm Islands with stops to snorkel, explore significant sites, and take guided nature walks. Orpheus Island, QLD, 4850. 07/4777–7377. www.orpheus.com.au. Half-hour Hinchinbrook Is. heli-flights A$375 per person; Hinchinbrook Is. day cruise/tour charters: half-day A$500–A$650, full-day A$750–A$950 (1–14 passengers).