Picu la Llomba: Summit Hike in Asturias’ Redes Biosphere Reserve

Why Picu la Llomba Stands Out

Picu la Llomba rises above the quiet valleys of eastern Asturias, offering hikers a compact yet satisfying climb through mixed woodland and open pasture to a rocky summit. Its location within the Parque Natural de Redes, a UNESCO Biosphere Reserve, means the slopes remain largely unspoiled, with mature beech forests, limestone outcrops, and seasonal wildflowers. On clear days the 360-degree panorama takes in the higher ridges of the Picos de Europa to the east and the rolling Nalón watershed to the west.

How to Reach the Trailhead

Most visitors drive from Oviedo or Gijón via the AS-117 road toward Campo de Caso. Continue past the village of Caso to small hamlets such as La Felguerina or Brañagallones, where informal parking areas mark the start of the main footpath. Public transport is limited; a rental car or taxi from the nearest train station at Pola de Laviana provides the most practical access. The approach roads are narrow and winding, so allow extra time.

The Standard Route

The usual path climbs steadily through beech and oak woods before emerging onto grassy slopes dotted with traditional brañas (seasonal shepherds’ huts). The final section crosses open ground to the summit cairn. Total distance is roughly 8–10 km out and back, with moderate elevation gain that most fit walkers complete in four to five hours. No technical scrambling is required, though the upper slopes can be slippery after rain.

Best Time to Visit

Late May through October offers the most reliable conditions: snow has melted, paths are clear, and wildflowers peak in June and July. Early autumn brings colorful beech foliage and fewer insects. Winter ascents are possible for experienced hikers with proper equipment, but fog and ice are common. Always check local weather before setting out; mountain forecasts change quickly.

Wildlife and Landscape Highlights

Look for griffon vultures soaring overhead and, with luck, chamois on distant crags. The limestone terrain supports rare orchids and the endemic Asturian gentian. At the summit, the contrast between the lush green valleys below and the drier limestone ridges of the Picos creates one of the most distinctive views in the region.

Nearby Attractions Worth Combining

• Parque Natural de Redes visitor centre in Campo de Caso for background on local ecology and traditional transhumance.
• Short detour to the dramatic gorge of the Río Nalón near Rioseco.
• Longer ridge walk linking Picu la Llomba with neighbouring Peña del Viento if you have a full day.