Darth Bane's tomb

Darth Bane's tomb was built inside The Great Sith Temple in the Valley of the Dark Lords.

History
It was located, along with many other tombs in The Great Sith Temple. The tomb was constructed after the time when Darth Bane was killed around 980 BBY. His spirit remained iin his tomb and haunted intruders that dare enter the The Great Sith Temple.

Clone Wars
During the Clone Wars around 20 BBY, an ancient Sith Priest along with his Culists resurrected Darth Bane from his tomb, along with others.