Castelo de San Felipe & Estuary Viewpoint
Perched on the southern lip of the Ferrol estuary, the 16th-century Castelo de San Felipe stares across the water at its twin, the Castelo da Palma, forming one of the most dramatic coastal defence systems in Galicia. The view from its ramparts — water, cliffs, Atlantic horizon — is the definitive Ferrol photograph.
The fortress itself
Built in the late 1500s and expanded in the 18th century, San Felipe was designed to create a crossfire with the Castelo da Palma on the opposite bank, making the estuary mouth effectively impenetrable to hostile ships. The strategy worked: Ferrol's harbour was never taken by sea.
The castle's star-shaped lower batteries, cut directly into the granite cliff, are wonderfully preserved. Walk down through the gun embrasures to the waterline and you get a stomach-dropping sense of how the cannons commanded the channel — the estuary is barely 600 metres wide at this point.
The view and the walk
From the upper ramparts the panorama takes in the full sweep of the Ría de Ferrol: the city's waterfront to the north, the green hills of the opposite shore, and the open Atlantic beyond the estuary mouth. Sunset here, with the light turning the water copper, is genuinely spectacular.
A signed coastal footpath connects San Felipe to the nearby beach of A Malata and continues toward the lighthouse at Cabo Prioriño Chico, making it easy to combine the castle visit with a rewarding cliff-top walk of two to three hours.
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