
The Spaceport Trench Tower key can help your ARC Raiders grind with some excellent rewards, but to do so, you'll first have to gain access.
Finding non-quest-related keys in ARC Raiders isn't a difficult task. But the task gets more difficult if you're looking for a particular key. In this guide, we'll help you with the possible locations of where the Spaceport Trench Tower key can spawn and where you can use it.
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How to get the Spaceport Trench Tower key in ARC Raiders
There are two perfect spots to look at if you're going for the Spaceport Trench Tower key. Ruby Residence is the location from which a few of my friends managed to obtain the key. The building is located in the northwestern part of Dam Battlegrounds.

I have also marked the Research and Administration building on the screenshot above. I have managed to find the Trench Tower key just once, and it was from this location. The Trench Tower key spawns randomly, and you'll need to search through every container in the locations that I have mentioned.
If you don't find the key, the only option is to extract and return. The loot you get, keys included, mainly depends on round-based map rotation.
Where to use the Spaceport Trench Tower key in ARC Raiders
There are two parts of the Trench Tower - North and South. You'll have to be at the North Trench Tower in Spaceport to use the key. I have marked the exact spot where you'll need to be. Once you reach that spot, you'll find a set of stairs in front of you (right in front of the North Trench Tower).

Take the stairs, and it will lead you to the locked door. Use the key from your inventory to open the loot spot, and grab everything you can. A note of caution, though, since ARCs are guarding the riches. It's better to dispose of them first before you and your buddies start looting the place.
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