· National
· GR 109
Hard
Asturias Interior (Etapa 27)
📏
19.3 km
Distance
⏱
4h 49min
Est. duration
⛰
Hard
Difficulty
➡
Linear
Route type
Asturias Interior (Etapa 27) is a 19.3 km National Hiking hiking route.
Covering 19.3 km, this is a substantial hike requiring a reasonable base fitness. Most walkers complete it in about 4 hours and 18 minutes.
This linear trail moves from one end to the other without looping back. A return journey by transport — or retracing the path — is needed to get back to the start. The trail is officially waymarked as GR 109, so look out for the trail markers along the way.
This route is part of the National Walking Network (NWN) — a flagship trail maintained to national standards, often following scenic or historically significant corridors.
Elevation Profile
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Elevation data from SRTM via OpenTopoData (open dataset).
Map
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Waypoints
5 points along the routeA
Start
· Castro
B
Finish
· Santa Eulalia de Oscos
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Frequently Asked Questions
How long is the Asturias Interior (Etapa 27) hiking route?
Asturias Interior (Etapa 27) is 19.3 km long.
How much time should I allow for Asturias Interior (Etapa 27)?
Most walkers allow around 4h 49min for Asturias Interior (Etapa 27) at a comfortable pace.
Is Asturias Interior (Etapa 27) a circular or linear route?
Asturias Interior (Etapa 27) is a linear route, not a loop. It runs from Castro to Santa Eulalia de Oscos. Return transport from the finish point is recommended.
Where does Asturias Interior (Etapa 27) start?
Asturias Interior (Etapa 27) starts at Castro.
Is Asturias Interior (Etapa 27) suitable for beginners?
Asturias Interior (Etapa 27) is not recommended for beginners. Good fitness and trail experience are needed.
Who maintains the Asturias Interior (Etapa 27) trail?
Asturias Interior (Etapa 27) is maintained and managed by Fempa.
Is Asturias Interior (Etapa 27) part of a larger trail network?
Yes, Asturias Interior (Etapa 27) is part of the National Walking Network (NWN), connecting this route to a wider network of long-distance hiking trails.