Spider Cave

The Spider Cave was once located south of Empath Abbey.

Description
Filled with the eponymous giant spiders, it was an excellent source for spider silk, and also contained significant treasure from former visitors of the cave that did not survive the arachnid onslaught.

Between Ultima VI and Ultima VII, these spiders seem to have been banished from the cavern by giant bees, turning it into the Bee Cave. A large nest of giant spiders could still be found in the wilderness across the waters emanating from Lost Lake.

The Ultima 6 Project
In The Ultima 6 Project, the cave not only holds many spiders, but also the enormous Spider Queen. Killing her not only provides lots of Spider Silk, but also the gratitude of Nan in Britain, who is afraid of spiders.