Odakyu Hakone

Hakone Ropeway

Gas concentration measurement

Real time volcano gas observation figures are displayed.
Please refer to the table below for judgment figures and regulation contents, etc.

  1. TOP
  2. About volcanic gas
  3. Gas concentration measurement
Display Judgment
(sulfur dioxide)
0 to less than 0.2ppm Normal It is moving at a relatively low gas concentration.
However, please be aware that the figures may rise.
0.2ppm or more Caution Somewhat high value.
Customers using the Hakone Ropeway should observe caution.
5.0ppm or more Suspension High value.
The standard for suspension has been reached.

Owakudani Sta.(Sounzan Line)

Owakudani Sta.(Togendai Line)