I recognise most of those tracks, good to see a movie of them.
When did you do the one- you go past the village(turning) on doi suthep, on the track towards huay tung tao, but dont turn right downhill to the lake. Carry on to a bamboo gate into a garden and the track starts the other side.
We did this maybe 3months ago, it was overgrown, and someone had built a fence from trees and bamboo and vines across the track to stop evryone going through.
We thought maybe a landslide or something, so we moved the gate to get through, and carried on