The Inca Trail 4-day trek is a famous hiking route in Peru that leads to the ancient Inca citadel of Machu Picchu. The trail covers approximately 42 kilometers (26 miles) and takes four days to complete. The trek passes through different terrains, including high-altitude mountains, cloud forests, and subtropical jungles. The journey begins on km 82 and follows an ancient Inca road, passing through several archaeological sites, including...