Dublin's urban wild trout river — once dismissed as a sad culvert and now a recovered, self-sustaining brown trout fishery with sea trout running in from the estuary at Ringsend and the occasional salmon. The lower river from Clonskeagh Road Bridge to the Liffey is fly-only, single barbless hook, catch-and-release for all species under a 2025 IFI bye-law (1 June – 30 September) — the strictest stretch and the one a city-living angler is most likely to fish. Upstream of Clonskeagh, all legitimate methods are permitted, and the best brown-trout fishing is the suburban riffle-pool water from Old Bawn down to Rathfarnham. The Dodder is the textbook conditions-aware venue: a small rise after a dry spell can transform it; heavy urban runoff can spoil it just as fast. Read the gauges and watch the rain radar before driving.
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