I can't confirm if these are all the locations, but I have found 75 locations in 41 different tiles
So far, I've done 19 consecutive missions without a new location

• Carpo, Jupiter

My cache guides:
Ceres, Corpus ship, Deimos, Earth, Grineer ship, Hive, Jupiter, Kuva Fortress, Lua, Uranus, Void

Tile 1
1
2


Tile 2


Tile 3


Tile 4
Double check this one, it's easy to miss hiding behind the beam


Tile 5


Tile 6


Tile 7
1
2


Tile 8
1
2


Tile 9


Tile 10

Tile 11


Tile 12
1
2
3


Tile 13


Tile 14
1
2


Tile 15
1
2


Tile 16
1
2


Tile 17


Tile 18


Tile 19
1
2


Tile 20
1
You can get into this room through the vent below it
2
3


Tile 21
1
2
3
4


Tile 22
1
2
3


Tile 23
1
2


Tile 24
1
Follow the pipe to the end by shooting the big fans
2


Tile 25
1
2

Tile 26
1
2

Tile 27
1
2
Other side room


Tile 28


Tile 29
1
2
3


Tile 30
1
2
3


Tile 31
1
2
3


Tile 32


Tile 33


Tile 34
1
2


Tile 35
1
2
3
Tile 36

Tile 37
1
2
3

Tile 38


Tile 39

Tile 40
1
2
Other side


Tile 41
1
2

Rooms you might miss to check

1
A starting room - There can be 8 total doors to check, including the other side

2
Tile 13

3
Tile 18

4
Tile 24

5
Tile 26

6
Tile 28

7
Tile 31


Some secretive places I've come across

1
Another destroyed room

2
Another destroyed room

3
Another destroyed room

4
Tile 24 - There's another pipe above

5
Tile 26

6
Tile 36 - Anywhere down here

7
Tile 35 - Vent leading to a room

8
Tile 39 - Vent leading to a room

https://youtu.be/ZH1zladW4z8

10 / 11 / 2024
Increased run count: now 19 runs without a new cache spawn