While hikers flock to the Alps and Pyrenees, a 180-kilometer trail through Corsica's rugged interior remains surprisingly overlooked—despite offering some of the most dramatic mountain scenery in Europe.<br><br>The GR20 traverses Corsica from north to south, crossing landscapes that range from pine forests to exposed rocky ridges. According to a local resident posting on the r/backpacking community, the trail features peaks reaching 2,706 meters at Monte Cinto, yet sees far fewer trekkers than comparable Alpine routes.<br><br>"For the backpackers there is the GR20, 180km from north to south with breathtaking landscapes," writes the Porto-Vecchio-based poster. "The mountains are incredible!"<br><br>The trail's relative obscurity is puzzling given its credentials. Multiple hiking guides rate the GR20 as one of Europe's toughest and most rewarding long-distance trails, typically requiring 15-16 days to complete.<br><br>What sets the Corsican route apart is its combination of technical difficulty and accessibility. Unlike remote wilderness treks, the GR20 features mountain refuges spaced at manageable intervals, making it suitable for backpackers who want challenge without full expedition logistics.<br><br>The island's position in the Mediterranean also creates unique conditions. Summer temperatures remain moderate at elevation, though afternoon thunderstorms are common. Most hikers tackle the route between June and September, with July and August seeing peak traffic—though "peak" is relative compared to popular Alpine trails.<br><br>For budget-conscious backpackers, Corsica offers another advantage: costs remain lower than destinations like Switzerland or Austria. Refuge accommodation runs €15-25 per night, and resupply options exist in several villages along the route.<br><br>The trail does demand respect. Technical sections require scrambling skills, and several stretches offer minimal escape routes. Weather can change rapidly at altitude. But for experienced backpackers seeking a European trek that combines serious hiking with relative solitude, the GR20 deserves far more attention than it receives.<br><br>As the local resident notes simply: "Let me know if you have questions." It's the kind of understated confidence that comes from knowing about something genuinely special that most travelers haven't discovered yet.