Big Walk Guide
Green TowerMedium

Coordinate puzzle 4166 / 1899

Also searched as: 4166 1899 / the number puzzle / code puzzle 4166

Players
2 players
Time
10-15 minutes
Coordinates
Target 4166, 1899 (south-centre, beside the red train line)
Reward
1 green tower part (gourd)

The short answer

Those two numbers are not a code, they are map coordinates. One player stays by the locked crate on the map; the other walks to 4166/1899 and finds a hidden hold-down switch behind a pile of rocks, which they must keep pressed. While it is held, the crate opens far away and the waiting player takes the gourd.

The single most searched puzzle on this site. It traps people almost never because the reasoning is hard, but because of three very concrete things: no map room, the switch is a hold-down, and one person physically cannot do it.

Before you start

  • Red tower cleared and the folding map taken from the map room - without it these digits mean nothing
  • 2 players: one holds the switch, one takes the crate

Step-by-step6 steps

  1. 1

    First check you have the folding map

    If the red tower is not done and you have never been into the map room, go and do that now - to a player without a map these digits are random noise. The map room is the blue building beside the first radio transmitter.

    Faster:This is the number one cause of getting stuck here, so rule it out before anything else.

  2. 2

    Find the boards that read 4166 and 1899

    Walk around the station cannon puzzle near the red tower and you will find a locked collectable crate with nothing beside it but two boards reading 4166 and 1899. That is the start.

  3. 3

    Leave one player on the crate

    The crate is somewhere else, and the instant it opens somebody has to take the gourd. So one player stands by it waiting - you cannot both walk away.

  4. 4

    The other player walks the coordinate

    Open the folding map and go to 4166 / 1899. It sits in the south-centre of the map, against the red train line, which is to say near the broken train on the road to the green tower.

    3839404142434415161718192021Vertical grid line ->4166, 1899Not a code, and not four digits to type in41 -> line 41 vertical18 -> line 18 horizontal* where they cross = target cellWalk that cell on the island and look behind the rocks for the disguised buttonPrerequisite: the folding map from the red tower first
    Schematic: how to read a coordinate. 4166 means vertical line 41, 1899 means horizontal line 18, and their intersection is the target cell.
  5. 5

    Look behind the rocks for the disguised switch

    When you reach the coordinate, do not sprint - find the rock pile first and walk around it looking from several angles. The switch is stuck to the side of a rock and blends into the terrain. This is the single most common "I thought the game was bugged" moment.

    Faster:Once you arrive on the coordinate, stop and look around before you check the sides and backs of the rocks.

  6. 6

    Hold the switch down (it is not a toggle)

    This is a hold-down switch - let go and it cuts out. While it is held, the crate opens far away and your teammate waiting beside it takes the gourd. Only release once it is collected.

Where it goes wrong

These are the questions real players search for most. Working through them in order usually finds the cause.

It is not a code. They are coordinates. You open the folding map and walk the grid; you never type the numbers in.

Two possibilities: it has to be held, not pressed once; or you never unlocked the map room and taken the folding map, so you are standing in the wrong place without knowing it.

It is the intersection of line 41 and line 18 - do not just use the first number. Once you arrive, look at the rocks from several angles, because the button is disguised.

No. Holding the switch and opening the crate are two physical locations, and both have to be occupied at the same time.

Then a teammate, or somebody else, already took it. Check your group's gourd count before running the route again.

After finishing:1 green tower part - once the green tower has 5 you can trade for the green key and start the chairlift.

Video walkthrough2 videos

Click a thumbnail to play it here, or click the title to open the original on YouTube.

Click to play right hereOpen on YouTube
Click to play right hereOpen on YouTube

Where this solution came from

The way of reading coordinates is stated identically by allthings.how, bizznerd and bigwalkguide.com. The hold-down switch plus one player guarding the crate is confirmed by allthings.how, games.gg's Chinese guide and MonkeyKingHero's gameplay video. All three put the target in the south-centre by the red train line.

Puzzles in this game are not assigned in a fixed order: most of them reward the same generic red gourd, so you can clear any set of challenges around a tower. That is why two guides list different puzzle line-ups for the same tower — neither is wrong. Unless a coordinate is credited to a named source it is a community measurement, and later versions can shift it; once you are in the area, trust the landmark over the number.

Let Microsoft Clarity record anonymous sessions and heat maps so we can improve the guides and the tools. Site analytics only, never advertising. Choosing "Not now" still leaves the whole site usable.

Learn more