The method works after the fifth cycle, when the first drops of color appear in the air.
After entering the location, you can fill the character with azure to move faster.
The method works in the original version on Steam (polish version)

1. Not necessary: ​​save in the last seconds of the cycle and see what colors appear, if this color don't suit you - reload the game. You need the Pharynx location.
2. Stand on any level of the bridge as in the screenshot. Wait for drops of color to appear under the bridge.
Alternative option: stand below the bridge and wait there, drops of color can appear nearby.
3. Catch as many drops of color as possible and jump down to the secret location.
4. After the secret location, you can return immediately without waiting for time. The drops will appear on the location again with the same set of colors. The color is not marked on the map, but it will always be there.