In order to hike the Markha Valley trek, you need to be in excellent physical shape since you’ll be hiking and trekking anywhere between 4 and 7 hours covering 7-18 km (4.4-11.2 miles). You will need to be able to acclimatize to the altitudes in these mountainous regions. Keep in mind that you’ll also be packing a daypack filled with water and other things you’ll need throughout the day.