Cliff Ruins
From dieyoung
There is not any really important thing to do in this zone, you can recollect some materials and put in practice your parkour skills, also, you can find a destroyed boat and a Shelter.
Location
Destroyed Boat
You can find a destroyed boat in the bottom part of the ruins, you can't use it to escape, probably, it was used by another survivor to try to escape, without getting it.
Video walkthrough:
