The GR20 Trail is a famous long-distance hiking route located in Corsica, France. Spanning approximately 180 kilometers, it traverses the rugged terrain of the Corsican Mountains, offering stunning views of the island's natural beauty. The trail is divided into 15 stages, typically taking about 15 days to complete. Hikers on the GR20 experience diverse landscapes, including rocky paths, lush forests, and alpine meadows. The trail is known for its challenging sections, making it suitable for experienced hikers. Along the way, there are several mountain huts providing accommodation and meals for trekkers.