Uluru, a massive sandstone rock formation in the Northern Territory sacred to the local Anangu people, is listed by Guinness World Records as the largest sandstone monolith on Earth, rising 348 meters above the surrounding plain. Much of its bulk extends far underground, similar to an iceberg.
Record no. MRB-2026-005647
World's Largest Sandstone Monolith
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.