I would like to know my options for good trekking tours in Thailand, especially in (but not limited to) the Chiang Mai area. Not longer than a week, not too much "intense", but also not too much "touristy". Language is not a problem, so English or Thai speaking guides will do.
Amazing Thailand has much to say on the subject.
For locations to do elephant trekking:
Hope that gives you a good starting point!