A good time would be during the most well-known event in lamphun, called song nam phra that hariphunchai. It is held to celebrate the province's principal religious site and takes place in may. It is traditionally held on the full moon day in the eighth lunar month (in the northern region), corresponding to the sixth month in the central region. This is a very old annual festival. Devotees come from near and far, whith great devotion, bringing with them the sacred water taken from the deep wells on top of doi ka mor, a very high and sacred mountain, for the bathing ritual of phta that." "what's the significance of doi ka mor?" chatree asked.