A bubbling stream cascades into a hole in the earth, leading to a series of underground watercourses and scintillating grottoes. Adventurers who delve within may discover odd mosses and fungi, a ruined temple complex, and the lair of a crystal-eating dream dragon.

A classic expedition into the Mythic Underworld for characters of 1st to 2nd level.

• 57 keyed areas, rumour table, loot summary, dungeon background info, suggestions for expanding the dungeon.
• Keyed in a quick-reference, bullet point format.
• Statted for Old-School Essentials (B/X), usable with any vintage adventure game.