Thrella wells were age-old vertical shafts created by the Thrella on Mimban. Many years after the Thrella's extinction, Coway tribes connected a number of their own tunnels to the Thrella wells in order to access the surface of the planet from their subterranean civilization.

AppearancesEdit

• Splinter of the Mind's Eye (First appearance)
• Splinter of the Mind's Eye 3

SourcesEdit

• A Guide to the Star Wars Universe
• Star Wars Encyclopedia
• A Guide to the Star Wars Universe, Third Edition
• The Complete Star Wars Encyclopedia