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