Horizon Forbidden West: How to find the Black Box in Bonewhite Tear

Black Box: Bonewhite Tear is found inside the wreckage of an airplane high on the steep cliff tops west of The Bulwark in Horizon Forbidden West. It's north of a Snapmaw location, northeast of a Tracker Burrower location, and adjacent to a shelter. A torrent cascades down the rock, with fragments of the plane's wreckage strewn about. A piece of wreckage on the right side of the waterfall can be used as a ladder to start your ascent.

To get to the Black Box, you must climb three cliffs alongside the cascade. Your Focus will detect a location beacon as you approach the top of the last cliff. After getting over the massive stretch of the fuselage with your grapple, you'll come across a section of the plane that is blocked by a closed-door that requires electricity.

Fortunately, an Energy Cell may be found adjacent to your cache if you travel a bit further east to the nearby shelter. Pick it up and return it to the door, where you can place it in the socket, then open the door and retrieve the Black Box. This Black Box, like all Black Boxes, can be traded to Untalla at the Memorial Grove for Upgrade Resources.