Nepal 2001 Everest Gokyo Trek 9: Gokyo After passing the second Lake, I reach Gokyo at the third lake (4800m). The icy deep blue water of the third lake. Gokyo is on the left side. Most of the lake's surface is frozen. The huge rock covered Ngozumpa glacier behind Gokyo. Cho Oyu is the mountain in the background. The view over the Ngozumpa glacier in the other direction.