The Archway Explorer Tour is an excellent way to experience the Undara Lava Tubes. Your Savannah Guide will unlock the secrets of this world-class geological wonder, bringing to life the story of why it's considered to be one of the oldest and best-preserved on Earth plus other interesting environmental, geological, and historical features pointed out and explained by your Savannah Guide throughout the trip to and from the tubes. Visits up to three sections of lava tubes. Easy fitness level with boardwalks and steps. Allow two hours to complete – runs mid-March till October – bookings essential.