Bhutan

Very little or no physical activity is involved.

A few hours of walking may be involved in the day on mostly flat paved ground.

You need to be in average physical condition, able to walk up to a maximum of 5 hours a day on unpaved trails and track.

You need to be in good physical condition; be ready to walk up to 8 hours a day for consecutive days on rocky and icy terrain. Technical climbing Equipment is required.

You need to be in excellent physical condition: be ready to walk or climb more than 10 hours a day. You may be subjected to face extreme weather and high altitude. The terrain will be very rock and icy and remote. Technical climbing equipment is required.