Grade
6:
Most adventurous high altitude trekking, crossing one
or more passes of over 6,000 meter of altitude. General
knowledge of mountaineering required. Nights will be very
cold, daily 4-8 hours of walk at mountaineer's pace.
Grade 5:
Treks and climbs of more than 15 days. Walking on very
difficult grounds, basic mountaineering skills required.
Nights at very low temperature. A strong resistance and
a very good physical condition are required.
Grade
4:
Treks of more than 15 days with daily stages of 4 to 8
hours. Differences in altitude of up to 1000m, below 4000m.
One or more high altitude passes above 5000m. Most night's
temperatures below freezing point. Sometimes-difficult
camping sites. A good condition is a requirement.
Grade
3:
Daily stages of 4 to 7 hours a day. The trails are usually
well passable but some high altitude passes above 4000m
can be steep. Possible snow on the high altitude passes
can put your endurance to the test. A good condition is
recommended.
Grade
2:
Daily stages of 5 to 6 hours along good passable
trails. Differences in altitude of up to 800m, below
4000m. Night temperature can drop below freezing point.
