Cache is not hidden at the posted coordinates.
Welcome to the final. The Coords are N 4A BC.DEF W 12G HI.JKL
You will have to find the first four caches in this series beforehand to get the answers...
#1: Diamond Dogs (GC8E7HB)
#2: No Barista Here (GC8E7HG)
#3: Dirt Road (GC8E7HK)
#4: Bridge Fragrance (GC8E8YJ)
Hope you had fun