Our new trekking tour in the Cordillera Huayhuash is considered the most challenging hike in Peru and arguably in all of South America. Fewer people trek the Huayhuash than the nearby Cordillera Blanca with most walking and most of the campsites situated above 13,000 feet / 4,000 meters, so the landscape is quite rugged and mountainous. The Huayhuash is famous …