forest space

   0   1   2   3  pla  5   6
                   | 
5      +   +---+   +---s      5
       |   |   |   |   |
       |   |   |   |   |
4  +---+---+   +---+---o---pine 4
       |           |   |   
       |           |   |   
3  +---+   +---+   +---o---o  3   
           |   |   |   |   |
           |   |   |   |   |
2      +---+   +---+   +---o  2
       |           |   |   |
       |           |   |   |  
1      +---+---+   +   +   +  1
               |       |  glen
               |       |
0              +---+---+      0

   0   1   2   3   4   5   6

s = glen-plains shrub landmarks
o = landmarks (cairns-->plains, staves-->glen)
glen = clearing with lake, waterfall, and secret glen entrance
pla = plains which lie between forest and urban areas
pine = pine forest which lies between forest and mountains