To the south – east of the Cordillera Blanca lies the Cordillera Huayhuash, One of the most remote mountain range in Peru. It is renowned for its peaks, which offer the hardest routes in the Andes. The Cordillera Huayhuash massif has some of the hardest climbs in the Peruvian Andes, not to mention the second highest summit in the country, Yerupaja (6634mt) the complete circuit of the Cordillera Huayhuash is an isolated trek, crossing several 5000mt passes. Only experienced trekkers in good physical condition should attempt it. To summarize, the Cordillera Huayhuash offers mountaineers, an excellent choice of classic routes and modern.