In Bex take the cograil train to Gryon (last train departs at 9:05pm). Eurorail accepted. Chalet Martin is a 5 minute walk from the Gryon station. Follow the road & train lines up the hill from the station & look for the Chalet Martin backpacker signs.
Check out all train schedules and times to get to Gryon at www.sbb.ch.
We do not have any parking at the Chalet however there is parking around the corner by the post office (not more than 5 mins walk).
The closest airport is Geneva. You can easily get to Geneva from all over Europe with Easy Jet.