After the visit of Sukhothai, I will continue to the North to visit Chiang Mai and the nice places which are around.
I will take a bus from Sukhothai, probably at night time in order to save time. It costs 220 Bahts and it takes 6 hours to get to Chiang Mai.
There are loads of things to do there, then I will spend maybe 5 or 6 days in the region.
A person from a Facebook group really recommended me to stay in the Swiss-Lanna Lodge guesthouse. It seems very good, and people seem to be happy thanks to the reviews we can find about this GH. If it is not too expensive, I will definitely go there when I will stay in the centre of Chiang Mai. This is how the place look like: