PR9 S9 Onís - Ruta a Cueva Obscura
- Distance
- 5.22mi
- Elevation +
- 1483f
- TrailRank
- 59
PR9 S9 Onís - Ruta a Cueva Obscura is a popular hiking trail located in the municipality of Onís, in the province of Asturias, Spain. The trail is approximately 6 kilometers long and takes hikers through the stunning nat...