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SeaSalt – The White Gold of Porthdun

What was once a bleak stretch of brackish wetland became the beating heart of the “White Gold Coast.”

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The White Gold of Porthdun

After the great land reclamation projects of the mid-19th century transformed the marshes of North Glynoch into a patchwork of fertile plains, a remarkable new industry took root along the tidal flats near Porthdun — sea salt production. What was once a bleak stretch of brackish wetland became the beating heart of the “White Gold Coast.”

Porthdun Salt

The process was simple, yet demanded both patience and skill. Broad, shallow evaporation pans were dug into the reclaimed flats, their clay linings hardened and leveled by hand. At high tide, sluice gates were opened to flood the pans with seawater, which was then left to the sun and wind to evaporate. Over days and weeks, as the water slowly receded, delicate crystals of salt would form — pure, gleaming white, and prized for both its purity and its flavor. Local workers, often entire families, would gather at dawn to rake and heap the salt, stacking it into small mounds that sparkled like frost in the morning light.

This salt became an essential commodity across the islands. It preserved fish and meat long before refrigeration, sustained the herring and kipper industries of Erynporth and Llanchala, and even supplied the great coastal smokehouses. Merchants from the islands of Rathmor and Sorcha came to Porthdun to trade, filling boats and rail wagons with this precious mineral. The distinctive “Glynoch Sea Salt” was soon recognized as among the finest in Europe, sought after not only for its culinary use but also for its purity in curing, tanning, and brewing.

Though industrial salt production elsewhere eventually overshadowed these humble evaporation pans, many of the old salt flats remain. On still summer days, when the tide retreats and the air smells faintly of brine, you can still view the outlines of the salt beds and imagine the shimmer of sunlight on fields of crystal. In local kitchens and artisan markets, Glynoch sea salt endures — a taste of the wind, tide, and toil that shaped the northern coast.

Salt Production Porthdun c1920

Salt Production – Porthdun


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SeaSalt – The White Gold of Porthdun

Located on the reclaimed lands of north Glynoch