(In September Chujiu Tiger years), October 28, 1998, Chinese scientists formally identified the Grand Canyon entrance location.

1998 10 28, the Yarlung Zangbo Grand Canyon Scientific Expedition Team of Chinese scientists, the formal OK to, Mainling send Township Nepalese set at the entrance to the Grand Canyon. Reference coordinate point is 3108 meters above sea level and 29 degrees north latitude, and longitude 94 degrees 54 minutes. Grand Canyon entrance to Medog County Baxi Ka total length of 496.3 kilometers. (L $ dj��.��r��)