1. A website below is from Myanmar's Ministry of Hotels and Tourists give advices to tourists.
http://www.dosanddontsfortourists.com/
2. Northern Myanmar has many excellent trekking areas.
November to April is best for trekking, being the dry season.
Feb and Mar are the peak season.
The wet season (more rainy days) are from April to November, generally.
There are many trekking areas in the Shan State (central Myanmar).
For trekking tours, pl tel David +65 9668 6468, judy@designtravelpl.com