Snail rise

Buzzer

Damsel Nymph

Reasonable summer fishing likely at Llyn Trawsfynydd Reservoir

Sustained heat. Fish deep, handle carefully, stop if a fish struggles.

Llyn Trawsfynydd sits high in Snowdonia — a dramatic, wind-blown upland water surrounded by moorland and crag. It's fished from the bank only (no boats), and the isolation and altitude give it a genuine mountain-water atmosphere. Wild and stocked trout inhabit the water; the scenery is spellbinding. Spring and early summer (April–May) see the best hatches — small olives and early buzzers. The granite moorland setting means soft, slightly acidic water and fast clearing after rain, so lure fishing can be briefly productive after spates. This is a place where you go for the surroundings as much as the sport — the kind of water that teaches you patience and presence.

Llyn Trawsfynydd sits high in Snowdonia — a dramatic, wind-blown upland water surrounded by moorland and crag.

Llyn Trawsfynydd Reservoir

Trawsfynydd Fishery

Prysor AA

Shoreline fishing spot on Trawsfynydd Lake in Snowdonia, North Wales