Simple two stage multi that will take you on a nice walk. Be aware that these trails are used by many dog walkers, joggers, and cyclist.
At the posted coordinates you will find a sign with two words naming the complex. Use these two words to fill in the letter values for final coordinates.
A = 4th letter in first word
B = 1st letter in first word
C = 3rd letter in first word (minus) 3rd letter in second word
D = 3rd letter in first word (minus) 3rd letter in second word
E = 1 st letter in second word
F = number of letters in second word
G = number of letters in first word
N49 02.ABC W122 4D.EFG
Checksum for ABCDEFG = 27