In case you are okay with the thin Ladakhi air and willing to explore another very high altitude lake then head onto Tso Moriri. Whether you're starting from Leh or Pangong Tso, you have to drive around 250 grueling kilometers to reach the turquoise-emerald Moriri Lake nestled in serene Changthang Plateau region, at a challenging altitude of 4,500 meters from mean sea level!