5. A

August 7–10, 1969. L.A. Belnev, L.N. Pimakova, D.M. Molorodov, A.S. Mardovov The route begins with the "4600" pass, which connects the Пуровского (Purovsky) and Толстого (Tolstoy) glaciers. The path across the "4600" pass from the assault camp in the upper reaches of the Пуровского glacier goes:

• along the main part of the glacier,
• then along its left tributary. The first stage of the icefall. The path from the assault camp on the Кисоши (Kisoshi) glacier to the overnight stay on the left tributary of the Пуровского glacier takes 9 hours. Ascent to the "4600" pass

PASSPORT

1. Technical category.
2. Pamir-Alay, Turkestan Ridge, Ak-Su gorge.
3. Peak "Admiralteets" (5090) via the "pillar".
4. Proposed 6B category of difficulty, first ascent, combined.
5. Total elevation gain of the route — 1500 m. Elevation gain of the "pillar" — 700 m. Elevation gain of the main part of the "pillar" — 560 m. Total route length — 2840 m. Length of the "pillar" — 920 m. Length of the main part of the "pillar" — 660 m. Average steepness of the "pillar" — 70°. Average steepness of the main part of the "pillar" — 77°. Length of sections with 5–6 category of difficulty — 640 m.
6. Number of pitons used: | Ice | Rock | Nuts | Bolts | | :--: | :--: | :--: | :---: |

Ascent Passport

I. Technical category. 2. Pamir-Alai, Ak-Su valley. 3. Peak Dostoevskogo 4974 m via the western ridge. 4. The route is combined, first ascent, category 4B complexity approximately. 5. Height difference: 1080 m Average steepness — 33°. Route length — 2270 m 5. Rock pitons hammered — 27 pcs. ice screws — 4 pcs. Used chocks — 9 pcs.

Ascent Passport

1. Ascent class: technical
2. Ascent area: Pamir-Alay (Kara-Su gorge)
3. Ascent route: via the northern counterfort of the eastern ridge of peak "4786"
4. Ascent characteristics: elevation gain — 1200 m, average slope — route: 44°, wall section: 85°, length — route: 1680 m, difficult section: 600 m
5. Pitons driven: rock — 132, ice — none, bolt — none
6. Total climbing hours: 31.5 hours
7. Number of bivouacs: two, first — sitting on a ledge, second — comfortable on the ridge

Ascent Passport

1. Ascent category — technical.
2. Ascent area — Pamir-Alay, Turkestan Range.
3. Peak 4490 m («Ptitsa») via the central buttress of the N wall.
4. Proposed category — 6B, first ascent.
5. Height difference — 780 m, length — 810 m. Length of 5–6 category sections — 630 m, of which 6 category — 450 m. Average steepness — 72° (3710–4490), steepness of the wall section — 77° (3760–4390).
6. Pitons hammered in: | Type | Primary | Additional | | :---------- | :------ | :--------- |

R0–R1 — ascent to the pass, snowy-ice slope, 400 m, steepness — 35–40°. R1–R2 — talus — 20–25°, 300 m. R2–R4 — snowy ridge, 400 m. R4–R5 — snowy slope up to 35°, crevasses, cornices.

Ascent Passport

1. Region — Altai, Akkem valley.
2. XX let Oktyabrya — Belukha Zap. — Delone via East counterfort (4A) of the Western plateau, traverse.
3. Proposed — 5A category of difficulty variant.
4. Elevation difference 1500 m, length about 10 km. Average steepness of the wall part of the route — 55°, length — 1200 m.
5. Pitons hammered: rock — 30 ice — 20
6. Travel hours — 32, days — 7 (including 2 days of bivouac on the route due to bad weather).

v. Kara-Oyuk from p. Kara-Oyuk Mokhova V. M. Altai 1.

Passport

1. Rock category.
2. Altai, Katunsky ridge.
3. Assumed 1B category of difficulty, first ascent.
4. Height difference 400 m, length 1500 m.
5. 7.5 hours of walking time from the camp under v. Boris.
6. Mokhova V. M. 1st sports category

Ascent Passport

Region — Altai, Katunsky ridge. Peak — Svobodnaya Rossiya peak. Route — combined. Estimated difficulty category — 1B. Elevation gain — 600 m. Distance — 2000 m. Technical equipment used — ice axes, rope. Travel time — 5–6 hours from the overnight stay.

1.2.6 Ascent Log

Peak Barda Vizbora via the West Ridge. Ascent class — technical. 2. Region, mountain range — Altai, North Chuya Ridge. 3. Peak Barda Vizbora, 3390 m, ascent via the West Ridge, combined route. 4. Anticipated difficulty category — 3A. 5. Route characteristics:

• Elevation gain — 600 m;
• Length of sections with 3rd difficulty category — 150 m;
• Average slope — 30°.

6. Pitons used: rock — 3, ice — 2.