Llyn Nantlle
Caernarfon, Wales
Llyn Nantlle is one of the very few lakes in Wales & England where fish for salmon and sea trout from a boat. It's also ...
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©
Bill Harrison
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Llynnau Cwm Silyn
Water managed by Seiont Gwyrfai & Llyfni fishing Society
Type
Lake
Species
Brown trout
Low alkalinity
High alkalinity indicates water fertility and can signal the presence of larger trout. Fish in alkaline waters have a wider variety of invertebrates to feed on.
Shallow
The depth of a lake has significant impacts on its ecology. Reduced heat and light in deep lakes inhibit algal growth.
Low shoreline complexity
A lake with a high shoreline complexity will have numerous bays, points and peninsulas.
Mid elevation
Lakes at a higher altitude can take longer to warm up during the season and may not fish well until summer.
Very small
Larger lakes with good spawning often contain lots of smaller trout. Smaller lakes with limited spawning can produce larger trout.
The Llynnau Cwm Silyn are situated in the hills to the south of Llyn Nantlle.
These remote lakes, nestled in the heart of Snowdonia, are home to wild brown trout and receive very little fishing pressure due to their distance from the road, requiring an easy walk of just over a mile on a well-defined track.
Anglers should prepare properly and always notify someone of their destination. The nearest village is Llanllyfni LL54 6sl.
Both lakes feature crystal clear waters and rocky landscapes interspersed with weed beds. The upper llyn, located beneath the crag, presents a challenge with its shallow fishable margins. The fish here tend to be small and scarce.
In contrast, the lower lake boasts a healthy population of wild trout averaging 10 to 11 inches. It is deeper and offers better access, though some banks can be rough.
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