A rewarding day hike through green valleys to sweeping views of the Asturian landscape.
Picu’l Castru Mayor rises above the rolling countryside of central Asturias, offering hikers a compact yet satisfying ascent with wide views across farmland, forests, and distant peaks. The mountain’s name hints at its ancient history, as “castru” refers to pre-Roman hill settlements common in the region. Today it attracts walkers seeking a quieter alternative to the busier Picos de Europa trails.
The trailhead lies near small villages west of Oviedo. Most visitors drive via the A-63 motorway, exiting toward Grado and following local roads that wind through cider-apple orchards. Limited bus service reaches nearby hamlets, after which a short taxi or walk completes the journey. Parking is available at the base of the main path.
Spring and early autumn deliver the clearest skies and firm ground. Summer brings longer daylight and wildflowers but also more midday heat and occasional mist. Winter hikes are possible on calm days yet require ice awareness and shorter daylight hours.
The principal route is a steady climb through mixed woodland and open meadows. Expect a moderate gradient with occasional rocky sections. At the top, a trig point marks the highest spot and provides 360-degree panoramas that stretch toward the Bay of Biscay on clear days. The descent follows the same path or a parallel track through pastures.
Combine the hike with a visit to the historic town of Grado for its weekly market and sidrerías. The Prehistoric Park of Teverga and the coastal cliffs of Cudillero lie within an hour’s drive, offering easy extensions to the day.
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The route is moderate with steady elevation gain and some rocky footing; most fit walkers manage it in half a day.
Dogs are permitted if kept on a lead, especially near livestock.
No facilities exist at the top; bring all supplies and take waste back with you.
Look for oak and chestnut woods lower down, heather higher up, and birds such as griffon vultures and kestrels.
Wild camping is restricted; use official campsites in nearby villages instead.
Climb this accessible peak near Aller for sweeping views across Asturias’ high valleys and rugged ridges.
A rewarding climb through oak woods and rocky ridges to panoramic views across western Asturias.
