There is another newer club not far away which is prettier,has a better fleet and is cheaper. A C172 will cost you 4500 baht/hour which is about 60GBP
It is the only European run club in Thailand
http://www.nokaviation.com/
It also has Thailands only glider. Chiang Mai and Nok are the only clubs in the country that permit visitors to self fly hire.
