Reimian Empire

She carefully sticks her head in, looks at the ceiling again, looks at the water again, carefully steps in, ready to jump back at any moment. Then we all go through the corridor together and exit it. We head towards the passage to the north, across the water. And Tsukiko, in stealth mode, watches what's there.
Am I correct in understanding that there is a distance of 1-2 meters there, and Tsukiko can jump over the water?