Nam Ngum River

[1] The Nam Ngum originates from the northern mountainous region of Xiangkhoang Province and flows south through Vientiane Province joining the Mekong at the capital of Laos, Vientiane.

The Nam Ngum river basin is home to about one million people in Laos.

The Nam Ngum river basin covers 16,906 square kilometers, including 8,297 km2 of watershed area.

Thirty percent of the river basin is covered by forest.

The hemimyzon confluens, a type of ray-finned fish, is known to live only in the Nam Ngum drainage area.