Hollow is free to visit and open to all. Hollow is located to the right of the Tankard's Close entrance to the gardens. The gardens can also be accessed via the entrance on Tyndall Avenue, just follow the path to the other side of the gardens. There is level access into Royal Fort Gardens and the area around Hollow.

Discover over 10,000 unique tree species, which have been gathered by artist artist Katie Paterson from almost every country on the planet.

Under your feet lie fossils, which span 390 million years, and above you thousands of unique tree samples connect across time and space, each with their own story to tell.