The rural north of Vietnam was spectacular, so we didn’t hesitate to explore the northern most region in Thailand. Our base for this loop was Chiang Rai. I recommend ST Rental for a motorbike. They have serious bikes too. I was batting eyelids at an all matte army green 250cc Honda off-road bike, but at 1000baht per day, that would leave nothing of our budget for food and other essentials. Maybe another time. Anyway, we got a Honda Wave S 125, which seemed to have lost a few cc in its many years of service. We packed one green bag plus the small dry bag and set off, dodging the…