Hiking Mount Merbabu Summit 3.143sml Climbing Mount Merbabu Sunrise Trekking, With good (normal) physical condition the walk of 14 km up and down will take you around 14 hours. Usually people start at 11.00pm and finish at 11.00am. To make the trip more enjoyable it is good to decide for camping in camp 4( most popular, crowded in high season) or in camp 5.Indonesian tourists usually start...