Karakol Gorge - Ala-Kul - Altyn Arashan - Ak-Suu village
This is a multi-part hiking route of about 49.9 km. The clearest starting reference is Лесное. The route contains 5 separate parts; establish how they connect before travelling. Features worth noticing include Ala Kol Pass (mountain pass, 3920 m, directly beside the route); Ласточкино гнездо (hot spring, directly beside the route); Ala-Kul Guesthouse (mountain hut, directly beside the route); Царевна-лягушка (hot spring, directly beside the route); Sirota Hut (wilderness hut, directly beside the route). The route itself has no recorded elevations, but nearby named features rise to about 3920 m. This matters for weather and acclimatisation. Original material: OpenStreetMap — https://www.openstreetmap.org/relation/12350207.