anyone been to borneo and done this???? i know brochure says mod. to strenuous. i have done inca trail (v. tough) and Tiger leaping gorge Not so tough). what sort of level of difficulty is the volcano compared to these? (if its tougher than inca then i'm screwed). am going in jan so weather conditions may make it difficult???? (heat and humidity?) i climbed moon mountain in yangshuo china and the humidity nearly killed me - i got heatstroke at the top and it was only a few hours climb not a few days.