Easy trekking by Himalayan standards is generally up to 2000m. There are plenty of ups and downs on well-maintained trails. This type of trip is best suited for those who lead a reasonably active life. The trek takes about 3 to 7 days, walking about 4 to 5 hours a day.
Grade (Moderate )
This involves longer treks (five to ten days) on maintained trails. This type of trek includes day excursions to higher elevations, for which it's advisable to have some previous hill- walking experience. On these treks, we generally achieve an altitude between 900m to 3000m.
Grade (Moderate to strenuous)
A reasonably demanding trek at an altitude up to 4000m with side trips to higher elevations. The trails are sometimes uncharted and away from inhabited areas.
Grade (Strenuous )
These treks must be fully supported. We climb to altitudes between 3500 and 5000m. & there are overnight stays at altitudes above 4000m. For this trek, trekkers should be fit & enthusiastic hill walkers prepared to tackle difficult terrain in remote areas.
Grade (Very Strenuous)
This trek is best described as Alpine, and suitable is suitable for those in excellent health, capable of carrying a backpack, when required. The trek covers very remote areas, traveling over snow-covered passes at an altitudes of up to 6500m. You will need to axes and crampons. No strenuous trek should be undertaken without medical clearance.