Valle delle Ferriere Nature Reserve
A short walk from Pogerola, the Valle delle Ferriere is a WWF-protected gorge sheltering one of Europe's last wild stands of Woodwardia radicans — a giant fern that survived the Ice Age here because of the valley's unusually warm, humid microclimate. Waterfalls, moss-covered ruins of medieval iron forges, and a stream cold enough to make you gasp await.
The Trail Through the Gorge
The main path follows the Canneto stream for roughly 3.5 km from the Amalfi side, passing the restored paper-mill district before the vegetation thickens into something almost Jurassic. The ferns can reach two metres in height and form a continuous canopy over the path in the deepest section of the gorge.
The trail is well-marked but involves stream crossings on stepping stones that can be slippery after rain. Sturdy shoes are non-negotiable; sandals will leave you ankle-deep in cold water within the first kilometre.
Wildlife and Seasonal Highlights
Look for the rare Salamandrina perspicillata — the spectacled salamander — on wet rocks near the stream, and listen for the drumming of the great spotted woodpecker in the alder and chestnut canopy overhead.
Spring (April–May) is the prime season when the waterfalls are fullest and the ferns are unfurling their new fronds in vivid lime green. Summer visits are popular because the gorge stays 5–8 °C cooler than the coast road below.
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