There are different types of Trekking . Adventure Trekking is one of them and you will trek above 5000m from the see level like Everest Base Camp Trek, Annapurna Circuit Trek, Gokyo Lakes Trek, Manaslu Trek, Everest Three Passes Trek and Trekking Peaks like Mera Peak Climbing are examples of Adventure Trekking. You need to be physically fitness, well equipment, professional guide who knows Himalayas , well trained, knowledge of altitude sickness to lead this type of trekking.
