Southern Kyrgyzstan feels like a different country from the Issyk-Kul side — older, more Central Asian in character, and home to the Pamir-Alay range's serious high-altitude trekking. From Sulaiman-Too's UNESCO-listed sacred mountain in Osh city itself to the base camp of a 7,000m peak, these are trips for travelers with real time and, for the Lenin Peak route, real trekking experience.