Discover dramatic gorges, lava tubes and brilliant gemstones on the Lava Tubes, Gems and Gorges Trail which loops from the Savannah Way through the Etheridge Shire. Here you will experience the Australian outback and its wildlife on an adventure taking in the McBride Volcanic Province where eruptions millions of years ago formed a spectacular landscape and left behind a rich mineral heritage. Explore the longest lava tubes in the world at Undara Volcanic National Park, learn about fossicking at Mount Surprise and look for topaz at O'Brien's Creek. Georgetown's TerrEstrial Centre is where you can see more than 4,500 gemstones and minerals from around the world. Flat Creek Station is home to the rare Gouldian finch and popular for gold prospecting. Cruise through the narrow sandstone cliffs of Cobbold Gorge and visit the Agate Creek gem fields which are famous for the world's most colourful thunder eggs. Four wheel-drive vehicles can continue on to Gilberton Outback Retreat while conventional vehicles and caravans must travel via the Lynd Junction where you can stop for a coldie in Australia's smallest bar.