Buses operate between Gotemba Station and the Gotemba 5th Station daily during the climbing season and on weekends and public holidays only in September and October. The one way journey takes about 40 minutes and costs 1080 yen. A round trip ticket is available for 1500 yen.
Bus Timetable (climbing season)
Bus Timetable (off-season)

How to get from Tokyo to Gotemba

Take the JR Tokaido Line from Tokyo to Kozu (75 minutes, frequent departures) and change to the JR Gotemba Line to Gotemba (50 minutes, 1-2 trains per hour). The entire journey costs 1890 yen and is fully covered by the Japan Rail Pass.

Alternatively, take the Odakyu Odawara Line from Shinjuku to Shin-Matsuda Station (80 minutes, 750 yen by express train, frequent departures), walk to JR Matsuda Station and take the JR Gotemba Line to Gotemba (30 minutes, 480 yen, 1-2 trains per hour). The Japan Rail Pass is valid on trains between Matsuda and Gotemba, but not between Shinjuku and Shin-Matsuda.

Additionally, there are a few Asagiri limited express trains, which operate directly between Shinjuku and Gotemba Station. The one way trip takes about 100 minutes and costs around 2700 yen. Japan Rail Pass holders will have to pay a supplement for this train as it partially runs on non-JR tracks.

How to get from Osaka, Kyoto and Nagoya to Gotemba

Take a Hikari train along the JR Tokaido Shinkansen to Mishima Station and backtrack one stop to Numazu Station along the JR Tokaido Main Line. There change to the JR Gotemba Line to Gotemba Station. The trip is fully covered by the Japan Rail Pass. Note that only one out of four Hikari trains stops at Mishima Station.