In Horizon Forbidden West, after you have completed the Doors of Death (yes unlock the bunker door and get rid of Erik), the Dying Lands quest begins. Your first goal is to get to Plainsong, which is pretty straightforward, but you’ll soon find yourself up against Apex Scrappers and Clawstriders, and things get even more difficult once you enter the Sacred Cave. It turns out that the Sacred Cave is in fact a Cauldron, and on your way to the Repair Bay Core Zone in Repair Bay: Tau, you have to find your way up.
Stand on the triangular floor console and shoot the glowing yellow gear at the spinning pillar in front of you. Now grapple with the pillar and climb to the top, then wait for Zo to stand on the triangular board. Shoot the gear on the turret to your north, then to the top of that turret. Do the same again with the pillar to the southwest, then turn left at the top and shoot an arrow at the damaged yellow glass above the triangle plate.
Climb up and through the opening, grab the crate, push it into the room and through the barrier. Go back and move the crate onto the triangular board, then drop it on the ledge to the southeast and shoot cogs at the pillars. Now you can use turrets to pass.
Use your own weight to trigger the next triangle board and shoot the next three gears from there. Pass the towers, then override the Network Uplink to allow Varl and Zo to find their way up as well.
https://www.gamepur.com/guides/how-to-find-a-way-up-during-the-dying-lands-in-horizon-forbidden-west How to find your way up in The Dying Lands in Horizon Forbidden West