Castro de Cabo Blanco
Most visitors drive straight past the headland of Cabo Blanco without realising that the grassy promontory hides the earthwork ramparts of a Celtic castro — a pre-Roman hilltop settlement — with unobstructed views in three directions over the Cantabrian coast. You will almost certainly have it entirely to yourself.
The archaeological site
The castro dates to the late Bronze Age and Iron Age, roughly 800–100 BC, and its defensive ditches and circular house platforms are still clearly legible in the turf when the low sun rakes across them in morning or evening light.
Finds from similar castros along this coast — ceramics, bronze torcs, grinding stones — are displayed in the Museo Arqueológico de Asturias in Oviedo if you want context before or after your visit.
The walk and the views
A rough footpath leaves the AS-22 coast road near the Cabo Blanco sign and climbs gently through gorse and heather for about 20 minutes to reach the summit ramparts — wear sturdy shoes as the path can be muddy after rain.
From the top the lighthouse at Cabo Blanco is visible to the west, the beach of Penarronda curves away below, and on clear days the Galician Rías Baixas coast is a faint blue smudge on the horizon.
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