How to make friends in Chiang Mai

We have been talking about loneliness when you are abroad, let's now talk about how to make friends (locals or expatriates) when you're living in Chiang Mai :top:

Which are your best tips to meet people and to make friends in Chiang Mai??

Thanks in advance for your participation

It strikes me as sad that while the Thai government could and should do something about it they would probably get bad press for locking up a few hundred? foreigners.