Mysterious Map!

This is a missing map for some perilous adventure which may or may not have happened. I discovered this precious wedged into an ancient tome. Maybe you can use it as a spring board for adventure. It is in glorious color pencil as well!

Scale
Each Hex = 5 mile
Locations
Smuggler's Walk
Demon Spirit Cave
Stacked Stones
Cavern Cave
Unnamed Road
Unnamed River