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The River Glaslyn

Sea Trout Fishing on the River Glaslyn

The River Glaslyn, in Gwynedd, north-west Wales, only sixteen miles in length, has its source in Glaslyn, a cwm lake on the flanks of Snowdon. It is joined by Nant Traswnant which drains Pen y Pass and by Nant Cynnyd before entering Llyn Gwynant. The river then flows through Llyn Dinas before entering the village of Beddgelert. In the middle of the village it is joined by the substantial tributary, the Afon Colwyn which drains the south western flank of Snowdon. The enlarged river flows down past Gelert's grave before tumbling down into the Pass of Aberglaslyn. The river emerges from the gorge into the relatively flat agricultural land of Tremadog and Porthmadog. Once the river has crossed under the railway line, it meanders in large pools and marshes before eventually passing through the tidal sluices on the Cob at the south-eastern end of the town of Porthmadog, and from there into Tremadog Bay.


The River Glaslyn near Porthmadog


Sea Trout Fishing on the River Glaslyn

The River Glaslyn is an excellent sea trout (sewin) river with a ten year average catch (to 2009) of 564 sea trout. Fishing on the Glaslyn up to Beddgelert is controlled by the Glaslyn Angling Association who offer season, weekly and day permits at reasonable rates.


View Google maps and aerial satellite views of the River Glaslyn

Pan the whole length of the river and zoom into aerial views of the salmon and sea trout fishing pools


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