High season for Tibetan visiting (
"Trekking" is actually a Boer (Dutch South African) word, and what has become the trekking industry developed some time in the 1960s after a British mountaineer, Capt. Robbie Somebody-whose-last-name-escapes-me, unwisely ignored local lore and broke his leg trying to climb the forbidden Machapuchare (which still has yet to be scaled; now climbing it is forbidden by law). He then began organizing walking expeditions at lower elevations. At that time, there was no accomodation for visitors in these areas which had rarely seen a foreign face ("foreign" being someone from beyond the next village), so trekkers had to arrange to stay in homes of locals, or to camp out. Nowadays there are all manner of lodges and "tea houses" along the well-traveled standard trekking routes.
After November, there is still lots of great trekking at hilly lower elevations with views of the icy mountains in the distance, and there's always the centrally-located lakeside town Pokhara, a sort of dirtier
November through January.
By March, it's getting warm at lower elevations, but the flowers are all in bloom, including the famous rhododendrons (the national flower) and it's still cool up higher; April-May are too hot at lower elevations, plus the approaching monsoon makes visibility poor everywhere.
Unfortunately, staying here long-term is a legal challenge. Somewhat like
In the good old days of the 1960s and 70s, there actually were no Nepali visas. People came from
Contrast this with