Is check-in/check-out valid for mountain transport?

It is valid on the entire network for the GA travelcard (click here for Details).  Therefore, mountain transports that are covered by the GA travelcard can be used.

• Täsch - Zermatt
• Aigle - Leysin
• Sierre - Montana
• Stoosbahnen
• Bettmeralp - Betten
• Riederalp - Mörel
• Belalp - Blatten

For some lines in the GA validity area, a ticket must still be purchased separately.

• Kalpetran - Embd
• Turtman - Oberems
• Chalais - Vercorin
• Stalden-Saas - Staldenried
• Emmetten - Niederbauen
• Ried (Muotathal) - Illgau
• Schattdorf - Haldi
• Gurtenbahn (Wabern - Gurten Kulm)
• Marzilibahn
• Dorénaz - Champex d'Alesse
• Jungfrau Railways
  Tickets are only valid to Wengen and Grindelwald.
  Tickets to Jungfraujoch must be purchased separately.