Skyrail Rainforest Cableway Cairns - Australia. Skyrail is a unique rainforest experience taking you on an unforgettable journey over Australia’s World Heritage listed Tropical Rainforest and deep into the forest. The Skyrail experience, spanning 7.5km, includes time at two rainforest mid-stations where guests can alight from the cableway to learn more about this fascinating environment on Ranger guided boardwalk tours and at the Rainforest Interpretation Centre.