With everybody arriving by train, Zermatt station is the entry door into town and the mountains beyond.
Departure every 20 minutes for Täsch and the car park
A train to Visp and Brig will connecting you with trains to Geneva or Zurich airports, leave every 30 - 60 minutes.
The Glacierexpress will take you four times a day as far as Davos and St. Moritz. All trains leave in the morning for their day long journey.