If you’re looking for the Vault Door in the Dissected Plateau in Borderlands 4, you would do well to not really pay much attention to the hint area in-game. It covers a lot more ground than it should, so it honestly doesn’t really help much. Good thing you have us here to help, though! We’ll tell you the exact location of the Vault Door in the Dissected Plateau so you can go straight to it.
Dissected Plateau Hint Area – Vault Door Location | Borderlands 4

As we’ve said before, the hint area for this Vault is way too big! It even encompasses part of the neighboring region, not just the Dissected Plateau, so it’s best to ignore it. Instead, just go to the top of the hill marked on the map above. It’s along the western border of the Dissected Plateau.

You’ll find the Arch of Inceptus there. To find the Vault Door itself, look for a hole in the ground near the ruins. A contraption will emerge from the ground. Interact with that contraption to insert the Fadefields Vault Key into it. That is, of course, provided you already found all 3 key fragments spread all over The Fadefields.
Once you insert the key, that’s it! Just watch as the Arch of Inceptus reforms and allows you to enter the Vault of Inceptus. That’s all you need to do to find the location of the Vault Door within the Dissected Plateau hint area in Borderlands 4.
While you’re in the area, though, you might want to collect other nearby collectibles. Might as well do that and save time, right? For example, there’s a Vault Hunter’s Guide to Kairos pretty close to this Vault’s location!

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