Lethe Gorge

The Lethe Gorge is a dungeon branch in the Lethe patch, located between the Dungeon of Doom and Gehennom and starting immediately below Medusa's Island. It has nine levels, each with a fixed layout, as described below. All of the levels of the Lethe Gorge have the 'lethe' flag, meaning that entering the water will cause amnesia.

Layout 1
---               #######H........t......#####      ...       ....      |.....|               ##         .......   ...    #####.......    ......     |..{..+###           ##              #      H     H     ..t....   .....      |.....|  #############  #########.....     [.     ##      ....     ...       ---S---                 #         ......           ###     #        ....       ?#                ........  }}}}}}}}}}}}}    ....  #     ##     ##....                      ........}}}}}}}}}}}}}}}}}}}}}}}T....#      #     #  .. #####H.....T.}}}}}}}}}}}}}}}}}}}}}}}}}}}}... ###    #                    #      ...}}}}}}}}}}.`..g......}}}}}}}}}}}}}}   #       ### ####      .}}}}}}}}}}`.g..T(..g.`..}}}}}}}}}}}}}  H         #               #             }}}}}}}}}}}`...g.T...}}}}}}}}}}}}}}}...        #             .^...         }}}}}}}}}}}}}}}}}}}}}}}}}}}}  ##  }}}}}.....   .....          ..D....       }}}}}}}}}}}}}}}}}}}}}}}}}}}...#####..}}}}}}......T....       ........}}}      }}}}}}}}}}}}}}}}}}}}}}}}....        .}}}}}}}}}}}}}}}}}      .........}         ..}}}}}}   }}}}}}}T.....           ..}}}}}}}}}}}}}}}       ....D..       ###.....         ........T      ....     ..}}}}}}}}}}}}}          .....########     ####         #          ......      ...........T                                ###########           ..D..###H#........      This layout for the riverhead contains two sleeping red dragons at the marked positions, guarding a hoard composed of a chest, six eggs, a random wand, a luckstone, four other random gems, and 11 piles of gold; the lair also contains a squeaky board at the marked position. The lake at the center of the map contains two electric eels and 11 other random ;. The island in the lake is inhabited by four winged gargoyles, and also contains four random statues and a chest containing a cursed magic lamp and a potion of oil. The [ mark indicated a blessed +2 leather armor and a cursed -2 leather armor, which are embedded in the wall. The lower area contains a random dragon, guarding a hoard composed of four piles of gold, a scroll of enchant weapon, a random wand, and four random gems. There are two sleeping clay golems in the upper left room, as well as a cursed scroll of teleportation and a scroll of amnesia at the ? mark, also embedded in the wall. The 't' marks indicate a trapper (right) and a lurker above (left). Also located on the level are a vampire bat, a raven, two other random B, three rust traps, two pits, and three other random traps.