If you opt to join a ‘fixed departure trip’, you are likely to be joining a group of people from different countries. The size of group varies, minimum no of persons required to operate a trip is 2 the maximum is 12 people.
Trekking in Mustang from Jomsom to Lo Manthang and back was exceptional. We stayed at Fishtail Lodge in Pokhara .It was very good. We can only recommend a stay there. Likewise for Soaltee in Kathmandu.