Sacred Valley Deep-Dive: Ollantaytambo & Secret High-Terrace Circuit Guide 2026 Perched at 2,792 meters in Peru’s Sacred Valley, Ollantaytambo is simultaneously the country’s most completely preserved Inca town, a functioning rail hub for Machu Picchu-bound trains, and the base for two of the region’s most rewarding self-guided archaeological circuits. This […]