Purnululu National Park, a World Heritage site famous for its unique Bungle Bungle Range, is a remote and rugged destination requiring a high-clearance 4WD vehicle for access, and is strictly seasonal, typically open only during the dry season from April to October as roads become impassable during the wet season. While intrepid solo travelers with a well-equipped 4WD can explore independently, guided tours (ranging from scenic flights to multi-day 4WD excursions) are highly recommended for ease of access, expert insights, and safety given the challenging terrain and lack of mobile reception. Park entry fees apply, and overall costs can escalate significantly with guided tours, fuel, and supplies due to its remote location; visitors should plan for a typical visit duration of 2 to 4 days to adequately experience its major attractions like Cathedral Gorge and Echidna Chasm, ensuring they carry ample water, food, and fuel, and are prepared for insects.