Desfiladero de Peñas Juntas is a gorge located in the Senda del Oso in Proaza. The Senda del Oso is a popular cycling route that follows the old mining train route and passes through three gorges, seven bridges, and more than thirty tunnels. The Desfiladero de Peñas Juntas is one of the most beautiful and unique parts of the route, where the walls of the gorge are so close that they seem to touch each other. The gorge is also known for its stunning natural beauty and is a popular destination for tourists. The route is suitable for all ages and is an excellent way to explore the natural beauty of Asturias.