In Tulgao or Sumadel, you need to negotiate to find a local guide willing to take you to the Sugo-oc fumarole field.
12.
The trek from the village to the fumarole field is steep, difficult, at higher elevation, along carabao ( water buffalo ) tracks.
13.
An increase of outbursts from White River Glacier may be related to increasing temperatures and the size of the fumarole field at the glacier's head at Crater Rock.
14.
A fumarole field was described on the west side of the southeast cone, the venting clearly visible from a refuge farther down the mountain and covering a surface area of.
15.
While there was some indication that the fumarole field has been around for the last 40 years, that July a helicopter pilot who was trained as a geologist noticed the fumaroles on the glacier.
16.
Alight at Balatoc drop-off and walk towards the village of Balatoc to see the Bu-ot fumarole field along the way, and the orange-yellow stained rocks of the Pasil River.