The Ausangate trek circuit is a high altitude adventure that is considered by many as one of the hardest treks not only in Peru but the world. Stretching for about 70km or 43 miles, this trek is an encircling of the majestic Apu Ausangate mountain. For 4 to 5 days, you will be traveling on what is considered by many as an otherworldly terrain full of bright blue lakes, grasslands, and majestic peaks. More than the breathtaking views, you get to experience an immersion into Peruvian culture.