When we booked, there was only the 1pm slot available. At first, we thought it was fine…but then realized there was a fixed departure timing, and it was easier than expected. Ultimately we couldn't finish the full route to Kurobe Dam and had to catch the last train down. But at least we managed to visit Murodo and Snow Wall and it was worth it. It was so surreal seeing the massive wall, we looked so small against it