What is "kharta"

Kharta is a region in Tibet lying to the east of Mount Everest and centred on the Kharta valley and Kama valley. The Kharta valley starts at the col at Lhakpa La at the head of the Kharta Glacier from which the Kharta Chu river flows east to join the Phung Chu just beyond Khata village. Nearby to the south, the Kama valley starts at the Kangshung Glacier at the foot of Everest's Kangshung Face, and the Kama Chu flows southeast to the Phung Chu. The 1921 British Mount Everest reconnaissance expedition discovered Kharta when reconnoitring ways to climb Mount Everest and managed to reach the North Col via the Lhakpa La. Since that time Kharta has not been used as a way to approach the summit of Everest but the two valleys have become a popular area for trekking.