The Gahenn Plains, also known as the plains of Gahenn, were a location on the planet Mustafar. At some point during the reign of the Galactic Empire, the Sith Lord Darth Vader had his castle built over the ancient Sith cave located in the Gahenn Plains.
- LEGO STAR WARS: Celebrate the Season — "The Sith Witch of Mustafar"
- LEGO STAR WARS: Celebrate the Season — "Mech My Day"
- LEGO Star Wars Terrifying Tales
- Ultimate Star Wars, New Edition
- Star Wars: The Galactic Explorer's Guide
- Star Wars: The Secrets of the Sith