There is about 600 metres (2,000 ft) of small-scale whitewater halfway between the towns of Tha Ton and Chiang Rai.
For several kilometres downriver from Chiang Rai, the river becomes a lake, until it reaches the irrigation dam near Wiang Chai.
[2] There is a small dam with 11 gates which provides irrigation for rice fields east of Chiang Rai.
Additionally, there is a dam planned on the Burmese side of where the river flows into Thailand, about 32 kilometres (20 mi) upstream from the border.
In October 2013 the cast and crew of the British television show Top Gear constructed a bridge over the Kok as part of their Burma Special.