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Clogrennan Lock is a canal stretch in Laois offering free coarse fishing for perch, roach, bream, pike, rudd, tench and eel. A peaceful inland waterway ideal for all-round coarse anglers.
Irish canals like Clogrennan Lock are underrated fisheries. The water is rich in invertebrates and supports a good head of coarse species. Free fishing, level bank access and manageable depths make this suitable for anglers of all experience levels.
Access to Clogrennan Lock is free and open to all visiting anglers. The canal is managed by Waterways Ireland; the towpath is public. Take care near lock gates and mooring areas and give way to hire boats on busier stretches.
The Clogrennan Lock holds pike, perch, bream, roach, rudd, tench, eel. Pike are the apex predator on this canal — lure and deadbait tactics both produce well.
Coarse fishing on Irish canals is free — no licence required. Waterways Ireland manages this canal and permits towpath angling.
The following approaches work well for the species present on this section of canal:
Canal pike are often well-conditioned and can reach impressive sizes due to the abundance of bream and roach. Lure fishing with soft plastics, spinners and small plugs worked along lock walls, bridges and reed beds accounts for many fish. Static deadbaiting with roach or smelt is highly effective in winter. Always use a wire trace and handle fish with care.
Irish canal coarse fishing is ideally suited to pole or waggler tactics. Fish a maggot, caster or small worm at around half to two-thirds depth, feeding little and often with loose maggots. Bream and roach are the most consistent targets — groundbait fed into a feeder swim will build a shoal in the deeper channel. Tench favour the reed-lined margins in summer.
Tench are a canal favourite and fight well for their size. Fish close to reed beds and lily pads with a size 10–12 hook baited with maggot, worm or sweetcorn. Float fishing at first light in summer produces the best results — tench bubble and roll in the margins as they feed.
Canals hold good stocks of eels that can be caught after dark on lobworm or small deadbait fished on the bottom. While not to every angler taste, eel fishing is a fascinating and very accessible activity on Irish canals.
Irish canals are managed by Waterways Ireland and offer free coarse fishing along most of their length. Access is generally good via the towpath, which provides a solid, level bank for fishing. Always exercise caution near lock gates and weirs. Boats are common on popular stretches — be considerate when casting across the channel.
Irish canals offer year-round fishing — here is what to expect through the seasons:
Bream and roach become active as water temperatures rise. Tench start showing in the margins from April onwards. Pike fishing remains productive in cool, clear water.
The prime season for tench fishing at dawn and dusk. Roach and bream are catchable throughout the day on groundbait swims. Boat traffic can disturb swims on busy stretches — choose secluded sections or fish in the early morning.
Bream and roach feed hard ahead of winter. Pike begin to feed more aggressively as baitfish shoal up in deeper water. An excellent time for specimen coarse fish.
Canals fish better in winter than most stillwaters as the slower-moving water maintains temperature more evenly. Pike are catchable throughout. Roach and bream respond to slow, careful fishing with small baits in deeper water.
Ireland has some of the most accessible fishing from the UK, with multiple ferry routes running year-round. The most popular crossings for anglers with heavy kit are the Fishguard–Rosslare and Holyhead–Dublin routes. Northern Ireland venues are best accessed via the Cairnryan–Belfast crossing.
Ireland's game and coarse fisheries are managed by Inland Fisheries Ireland (IFI). Coarse fishing (carp, bream, roach, pike) is largely free on most public waters — no licence required. Game fishing (trout, salmon, sea trout) requires an annual licence and often a beat permit. Always check IFI guidance at fishinginireland.info before your trip.
Coarse fishing on the Clogrennan Lock is free — no licence or permit is required for coarse species in Ireland. Waterways Ireland maintains the towpath and canal infrastructure.
The towpath alongside the Clogrennan Lock provides bank access along most of its length. Always leave gates as you find them and take all litter home. Respect other towpath users including cyclists and walkers.