Nyalam Tong La or Yakrushong La is a mountain pass in China on the Matsung Tsangpo-Phung Chhu watershed divide where the Friendship Highway connecting Kathmandu, Nepal and Lhasa, Tibet crosses at 5,150 metres (16,900 ft) elevation.

About 11 km north, the Friendship Highway crosses another pass 5,050 metres (16,570 ft) Lalung La which is not a significant watershed divide.

North of the divide Men Chhu flows northeast into the Phung Chhu (or Bum Chhu in Tibetan; Peng Qu in Chinese) which flows east to 87d40'E where it combines with other streams and turns south to cut a deep valley between the Mahalangur (Mount Everest) and Kanchenjunga sections of the Himalaya.

Nyalam Tong La also separates the Jugal and Labuche sections of the Himalaya.

The Jugal section to the west includes 8,013 meter Shishapangma while the less famous Labuche (or Lapche) section to the east includes 7,367 meter Labuche Kang.