Llyn Cau is a remote mountain lake nestled in the Cader Idris range, offering a dramatic alpine setting and challenging access that rewards dedicated anglers with wild brown trout in pristine surroundings. The lake's clear, nutrient-poor waters and exposed location make it a technical fishery requiring skill and adaptability. This is a true wilderness fishing experience for those seeking solitude and the character of traditional Welsh lake fishing.
The close season on Llyn Cau runs 15 March – 15 June. Effective methods include Fly, Lure.
Recommended methods for Llyn Cau include Fly, Lure. The most effective approach will depend on conditions, season and target species.
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A valid Environment Agency rod licence is required to fish Llyn Cau — buy yours at gov.uk. No additional permit is required — the water is free to fish with a rod licence.
Located in Gwynedd, Llyn Cau is a UK stillwater with quality coarse fishing. Check weather and conditions before your visit and always pack out your litter.