Distance
12.6 km to summit
18.6 km total
Elevation
3,967 m start
5,227 m max
Vertical
1,949 m gain
Time
20 hr 57 min to summit
25 hr 31 min total
Camped just before the Hut, which made for a windy night but it was worth it for the views and the sounds of the nearby eruptions.
Route name
out-and-back
Obstacles
no water source
Key gear
ice axe, crampons, helmet