Great Eastern
                       Desert
                         1
                        /
                       +
                       |
                       +
                       |
    +----+-------------+---------------------------------+----a
    |    |             |                                 |    |
    |    |             |   +                             |    |
    |    |             |  /|                             |    |
    |    |             | + |                             |    |
    |    |             |/  |                             |    |
    +----+-------------+---=-----------------------------+----+
    |    |                 |                             |    |
    |    |   +-------------+-------------------------+   |    |
    |    |  /             /|                          \  |    |
    |    | +             + +                           + |    |
    |    |/         ____/   \___________________        \|    |
    +----+         /                            \        +----+
| + a \ |
| / ^ \ | | + + +----+ \ | | |/ | | | |
| +----+----+----+ | |
| \ | |
| | c-<--b----c-->-b | | | | | | | |
| \ +----+ | |
| \ | | |
| +----+----+ +----+----+----+ | |
| \ | | | |
| | +----+ + + | |
| | | | | |
| \________ + +----+ | |
| \| | | |
| +-<--+----+----+----+----+ | |
| | | |
| +----+----+ | |
| | | | |
| + + | |
| | / |
| +----+ + |
| / |
+--------------------------------------+--------+

1 = Oyg's Map of Great Eastern Desert {10-20}

Key to Mystic Adventure ASCII Maps