The best time is during the pre-monsoon (spring) and post-monsoon (autumn) seasons, which are generally in April-May and October-November. During these times, you will experience the nice weather, with clear skies and mild temperatures, which makes trekking both more pleasant and safer.
Adventure Travel Trade Association
Nepal Sactuary Treks - Day Trip
Government Of Nepal
Nepal Tourism Board
Pacific Asia Travel Association
Nepal Mountaineering Association
Nepal Association of Travel and Tour Agents
Trekking Agencies' Association of Nepal
Great Himalayan Trail
