The Northern Island - Western part | Letters of the Lost Far Cry 3 Guide
Last update: 11 May 2016
They are marked n the map with the symbol of a letter. For finding six letters, you will be awarded a new weapon: a Tanto, which increases damage dealt in melee.
Western part
1. Hyogo's letter
In the area marked as number one, you will find a bunker. While in its northern par, you will find the passage shown in the screenshot.
Mount it and turn right. Enter the bunker, where there is a corpse with the letter
2. Ren's letter
Get to the island marked with number two. Approach the bunker from the west. This will get you into the place shown in the screenshot. Walk over to the right of the structure in order to be at the northern side of the bunker.
There are two entrances there. The corpse is in the one to the left.
3. Mori's letter
Find the area marked on the map with the red circle, to find the cave's entrance.
At the end of the cave, there is a corpse with the letter next to it.
4. Mogi's first letter
Approach the area marked with the red circle in the screenshot, to find the cave entrance.
The corpse, and the letter, is at the other end of the cave.