Road Cave

Road Cave is associated with the Undara volcanic area of Queensland, Australia. The wider Undara lava-tube system formed about 190,000 years ago when an eruption sent lava across the landscape. [Queensland Government](https://www.queensland.com/nz/en/things-to-do/attractions/p-56b25fe2aeeeaaf773cf285c-undara-volcanic-national-park)

Road Cave is notable for passages that are easier to reach than the tight crawls found in many undeveloped lava tubes. The wider Undara area has guided cave experiences, but current operators should be checked to confirm whether Road Cave itself is included. [Undara Lava Tube Tours](https://www.undaralavatubetours.com.au/)

Road Cave is a basaltic lava tube, created when the outside of a lava flow cooled while hotter material continued moving underneath. After the interior drained, it left a natural volcanic passage near Undara.

No. Despite its name, Road Cave is a natural lava tube formed by an ancient volcanic flow in Queensland. Its accessible passages and volcanic textures are geological features, not engineered construction.