http://www.alpen-route.com/english/【JR Train】
Tokyo      Toyama   3hours 30min.
Tokyo
(Shinjuku)      Shinano-Omachi   3hours 10min.
Nagoya      Toyama   3hours 30min.
Nagoya      Shinano-Omachi   3hours.
Osaka      Toyama   3hours 10min.
Osaka      Shinano-Omachi   4hours.
【Bus】
Tokyo      Toyama   6hours.
Tokyo      Shinano-Omachi   4hours.
Nagoya      Toyama   3hours 30min.
Nagoya      Shinano-Omachi   3hours.
Osaka      Toyama

Departure   Itinerary
Tokyo   Tokyo⇒(Joetsu Shinkansen)⇒Echigo-Yuzawa⇒(Exp,Hakutaka)⇒Toyama⇒(Local Railway)⇒Tateyama sta.
Osaka   Osaka⇒(Exp,ThunderBird)⇒Toyama⇒(Local Railway)⇒Tateyama sta.
Nagoya   Nagoya⇒(Exp,Shirasagi or Exp,Hida)⇒Toyama⇒(Local Railway)⇒Tateyama sta.

Departure   Itinerary
Tokyo   Tokyo[Shinjuku]⇒(Exp,Azusa)⇒Shinano-Omachi⇒(Local Bus)⇒Ogizawa sta.
Osaka   Osaka⇒(Shinkansen)⇒Nagoya⇒(Exp,Shinano)⇒Matsumoto⇒(Oito line)⇒Shinano-Omachi⇒(Local Bus)⇒Ogizawa sta.
Nagoya   Nagoya⇒(Exp,Shinano)⇒Matsumoto⇒(Oito line)⇒Shinano-Omachi⇒(Local Bus)⇒Ogizawa sta.