There are twelve Black Boxes hidden around the map in Horizon Forbidden West. You can collect them and bring them to an NPC compiling data for the Tenakth at The Memorial Grove. This guide shows you where all of these Black Boxes are so you can claim the reward for finding them all.
No Man’s Land Black BoxThere’s a Black Box in No Man’s Land in the corpse of a plane that’s fallen between two small cliffs. The Black Box is hard to miss once you go inside. See below for a map reference.
The Whitewash Peaks Black BoxThe Black Box in The Whitewash Peaks is at the top of a mountain. The easiest way to get to it is by flying over and gliding down to the plane. However, you can also climb up there. See below for a map reference for this Black Box.
Jagged Deep Black BoxThe Black Box in Jagged Deep is deep underwater, so you’ll need the rebreather that you pick up in the main questline to reach it. Swim down into the water and find the entrance to the plane on its right-hand side behind some kelp. See below for a map reference for the exact location.
The Promontory Black BoxThis Black Box is located behind some vines, but you don’t need to destroy the Metal Flower to get it. Instead, head to the back of the plane to find a locked door. You can unlock this door by heading east and picking up the power cell among the Scavenger scrap piles. Then, destroy the Metal Flower to leave after claiming the Black Box. See below for a map reference.
Bleeding Mark Black BoxThe Black Box in Bleeding Mark is high up in the mountains. You can climb up, but it’s far easier to fly over and glide down to it. See below for a map reference for this location.
The Stillsands Black BoxThe Black Box in the Stillsands is another easy one to
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