Mountaineering · Simbu Province, HighlandsMount Wilhelm summit trekEXPERTRisk: HIGHUSD 4-day guided trek US$50…Papua New Guinea's highest peak at 4,509m, climbed through cloud forest and alpine grassland in a country with almost no trekking infrastructure — porters and guides are arranged locally village by village, and the summit push starts in pre-dawn darkness over loose scree.View details