- Osh Glavnaya from the Southeast via the couloir of the South Ridge The route is rocky, category 1B difficulty (fig. 5, 49, 57, 58). Length — 1200 m, elevation gain — 550 m, time — 3–3.5 hours. The approach path from the "Kirgizata" alpine camp (group of 4-20 people) to the initial bivouac on the light moraine of the upper circus of the Kurgan gorge — see route 10. From the initial bivouac, approach the second wide scree slope-couloir descending from the junction of the South Ridge with the Eastern buttress via the moraine. Up the scree slope turning into a couloir for 300-400 m. Then 150-200 m up-left along easy destroyed rocks (protection) through a small buttress with an exit to the upper scree slope of the South Ridge. Along the scree of the eastern slope, to the right of a solitary standing rocky sharp gendarme on the South Ridge, a 300-400 m ascent to the South Ridge. On the ridge, turn right and ascend 100-120 m to the shoulder of the South Ridge along scree and easy rocks. Further along easy, gentle, местами заснеженным, сильно разрушенным скалам and scree of the 250-300-meter South Ridge to ascend to the summit of Osh Glavnaya.
From the initial bivouac — 3–3.5 hours.
