Vietnam Railways Train to Lao Cai (Sapa)
We walked to the Hanoi Train Station (Ga Hanoi) from the Wing Cafe and Hotel in Old Quarter. It took us about 30 minutes to get there. It's not too far, but we spent some time to ask for direction. The Hanoi Vietnamese was very kind that all of them whom we asked helped us in a way or another.
There is 2 entrance to Ga Hanoi train station. Some guide books said you need to go to 1 entrance for train to particular cities, and another entrance for other cities. It might be true. But you can easily cross the railway track if you go to the wrong entrance. Any how we still needed to cross the railway track to get to platform in the middle. Ya, you have to walk across the track itself.