The Bailey–Morshead exploration of the Tsangpo Gorge was an unauthorised expedition by Frederick Bailey and Henry Morshead in 1913 which for the first time established the definite route by which the Tsangpo River reaches the sea from north of Himalaya, through the Tsangpo Gorge.
Kinthup, a Lepcha man from Sikkim, was an explorer in the area of Tibet in the 1880s. He is best known for his impressive devotion to duty in surveying a previously unknown area of Tibet.