Trekking grades the level of difficulty and the time interval one must do the trek in order to complete it. It also takes altitude and potentially dangerous trail segments under consideration while separating the lower level treks with that of the higher ones. The overall trek difficulty in any place of the world can be broadly distinguished into five complexity grades. These grades, alongside their general features, are listed below.
- Grade A or Easy grade:
- Trekkers of any age group can complete the trek.
- Trek duration around a week not exceeding ten days.
- 5 hours or fewer trek hours per day.
- The relaxed and comfortable trekking trail
- extended the availability of accommodation/food
- Grade B or Moderate grade:
- Trekkers with good fitness and stamina can complete the trek.
- Trek duration more than weeks.
- Trekking altitude exceeding 5,000-meter mark on multiple occasions.
- The trail is rough and remote in some sections.
- Sparse availability of accommodation/food.
- Grade C or hard grade:
- Trekkers with average fitness can complete the trek.
- Trek duration around 2 weeks.
- 6-7 hours or fewer trek hours per day.
- Trekking altitude over 3,000 meters not exceeding the 5,000-meter mark.
- The trail might overlap some rough segments.
- Significant availability of accommodation/food.
- Grade D, or very-hard grade:
- Trekkers must have a high level of fitness to complete the trek.
- Basic mountaineering and climbing skill is essential.
- 10 hours or more trek hours per day in many days.
- Trekking altitudes, exceeds 6,000-meter marks.
- The trail might be on dense snow segments.
- must carry a tent and foods.
- Grade E or challenging grade:
- Trekkers must have an excellent fitness level and prior experience to complete the trek.
- Advance mountaineering and climbing skill are essential.
- 10 hours or more trek hours per day in many days.
- Must have a high tolerance level to the extreme surrounding environment
- 18-30 days or more of trekking and climbing sessions
- Trekking altitude is mostly over 6,000 meters with occasional climbing segments.
- must carry all the necessary supplements, including food and tent.