Rimo IV and Other Peaks, 1984. The 25-man Indian Army Engineer expedition reported on briefly on page 308 of A.A.J., 1985 reached the region after a very complicated approach. They got to Base Camp at the snout of the South Rimo Glacier at 15,500 feet on July 26. Advance Base was placed on this glacier at 17,600 feet on August 5. M.P. Yadav and G.K. Sharma headed for the west face of Rimo IV and bivouacked at 19,800 feet on August 7. They continued up the western cwm the next day and bivouacked at 21,500 feet. On August 9, 1984 they headed up the west face to the southwest ridge and reached the summit (7169 meters). The climb was repeated on August 11 by leader K.S. Sooch and Y.C. Chhibbar.