Experience is not entirely necessary for an easy level trek, anyone who is in good health and fit enough to enjoy a good weekend hill walk can manage this grade. Easy treks are ideal for first time trekkers and anyone willing to explore.
The Moderate or medium treks begin to present more of a challenge to first time trekkers and are tougher than easy treks .So these treks are suitable for any walker looking for something a little more challenging and energetic
For any hard level trek, fine fitness is very important. Along with fitness one should also be proficient in managing difficult terrain, navigation skills, crossing streams and some aspects of technical rock climbing including gears.
Challenging treks are only for real adventures. The main component at this level is likely to be a long , high altitude trek , uphill mountain with the possibility of some rope climbing that requires physical and mental stamina.