- The summit, its height, and the ascent route: Bolshoy Chimgan (3277 m), the left buttress of the north-eastern wall.
- Proposed category of difficulty: 4B.
- Characteristics of the route:
height difference along the route — 1677 m. average steepness of the route — 70° length of sections of category I difficulty — 2500 m, II category difficulty — 1880 m, III category difficulty — 190 m, IV category difficulty — 85 m, V category difficulty — 220 m, VI category difficulty — 20 m
- Number of pitons driven: for belaying 114 pcs; for creating artificial footholds 2 pcs.
rock — 114 pcs, ice and snow —
- Number of travel hours — 23 hours.
- Number of nights and their characteristics: one overnight stay, on a scree ledge, good bivouac.
- Surname, name, patronymic of the leader and participants, their sports qualification: Leader: Murtazin Oleg Galimovich — 1st sports category. Participants: Khukhlyakov Valery Mikhailovich — 1st sports category, Tsoy Oleg Viktorovich — 1st sports category, Vadiulin Eldar Elfatovich — 1st sports category
- Team coach: II. Date of departure on the route and return:
departure on the route — November 7, 1980, return to base camp — November 8, 1980