Kells Blackwater
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Kells Blackwater

📍 Cavan and Meath, Meath

🏛️ Attraction

Last updated: 28 April 2026

Overview

River Erne, Belturbet, Co Cavan
River Erne, Belturbet, Co Cavan Courtesy Caroline Gallagher

The Kells Blackwater – also known as the Leinster Blackwater – is a limestone‑fed river that rises south of Bailieborough in County Cavan. After feeding Lough Ramor at Virginia, it courses south‑easterly, skirting the historic town of Kells before meeting the River Boyne at Navan, roughly 25 km upstream of the Boyne’s mouth at Drogheda. At about 30 km in length, the Blackwater is the largest tributary of the Boyne and a key feature of the Boyne Valley landscape.

Name and Language

The river is called An Abhainn Dubh in Irish, literally “the black river”. It is also referred to as the Leinster Blackwater to distinguish it from the Enfield Blackwater that joins the Boyne further downstream in County Kildare.

Length & Geography

According to the latest data, the Kells Blackwater runs 68 km (42 mi) from its source near Bailieborough to its confluence with the Boyne at Navan. The river’s source lies at an elevation of roughly 120 m and it drains a basin of 733 km². Average discharge is recorded at 15.08 m³ s⁻¹. Its main tributary is the Nadreegeel Lough Stream, which joins the Blackwater in Lough Ramor. Coordinates for the river mouth are 52°51′N 7°27′W.

History & Background

While the river itself has existed for millennia, its modern reputation stems from a long tradition of angling. The Kells Anglers Association, founded in 1893, secured fishing rights over roughly 14 miles of the Blackwater – from its source at Lough Ramor to the outskirts of Kells. This early stewardship helped preserve the river’s wild brown trout stock, making it one of Ireland’s premier trout fisheries. Over the decades, the river has produced a series of notable catches, including a 10 lb brown trout recorded in 2004, and numerous 3–5 lb specimens that attract both novice and seasoned anglers.

Environmental Significance

The river’s limestone catchment gives the water a high pH and abundant mineral content, fostering prolific insect hatches that support healthy trout and salmon runs. The clear, alkaline water also encourages a diverse flora of limestone grassland wildflowers such as harebell, rock‑rose and early‑purple orchid, while the banks provide habitat for kingfishers, herons and occasional ospreys.

Angling

Fishing
Courtesy Celtic Routes

The Blackwater is celebrated for its brown trout, which range from half‑pound youngsters to trophy‑size fish over 9 lb. Anglers can fish the stretch from the Nine‑Eyed Bridge (the river’s upper limit) to Mabes Bridge just north of Kells. The river supports a full suite of fly‑fishing techniques – dry fly, wet fly, nymph, and streamer – with the evening rise often delivering the best action.

Key flies include:

  • Dry: Grey Flag, Grey Duster, Hares‑Ear, Olive patterns (e.g., Sherry Spinner)
  • Wet: March Browns, Wickhams Fancy, Greenwells Glory, Hares‑Ear
  • Nymphs: Goldheads, Hares‑Ear, Sawyers Nymph

The river’s limestone chemistry nurtures a rich insect fauna. Dominant hatches feature upwing flies (Olives, Baetidae), sedges (Hydroptychidae, Limnephilidae), and flat‑wing flies (Chironomidae). Shrimp (Gammarus pulex) and small beetles also provide vital food for trout.

A fishing permit is required for the managed stretches; permits can be purchased from the Kells Anglers Club (upper stretch) or Kilbride Anglers Club (mid‑lower stretch). Both clubs promote catch‑and‑release and adhere to Angling Bye‑law No. 982 (2020), which bans barbed hooks and worm bait downstream of the Nine‑Eyed Bridge.

Clubs, Competitions & Local Sports

  • Kells Anglers Club – controls the upper stretch (Nine‑Eyed Bridge to Mabes Bridge). Their website is kellsanglers.com. They run junior competitions, fly‑fishing lessons and family‑friendly barbecues during the season.
  • Kilbride Anglers Club – oversees the middle and lower reaches. More information at kilbrideanglersclub.com.
  • Kells Blackwater Football Club – a local soccer club that takes its name from the river and fields teams in the Meath leagues. The club’s pitch lies on the outskirts of Kells and provides a community hub for sport and social events.

Both angling clubs continue to promote sustainable practices and organise occasional matches and gatherings for members.

Scenic Walks & Wildlife

River Barrow Blueway
Courtesy Luke Myers

Beyond fishing, the Blackwater corridor offers tranquil riverside walks, especially where the river widens near Lough Ramor and the historic town of Kells. Birdwatchers may spot kingfishers, herons and occasional ospreys hunting along the banks, while the surrounding limestone grassland supports a variety of wildflowers such as harebell, rock rose and early purple orchid. The diverse insect life also makes the area attractive to butterfly enthusiasts.

Ringfort and Blackwater River Looped Walk

The Ringfort and Blackwater River Looped Walk is a well‑marked 3 km circuit starting just outside Kells. Rated easy‑to‑moderate, the trail follows the riverbank past a restored Victorian water‑works (c. 1897) and passes through a meadow rich in wildflowers, blackberries and apple trees. Dogs are welcome on a leash. Highlights include the Spire of Lloyd, Ireland’s only inland lighthouse (erected 1791), which offers panoramic views across the Boyne Valley, the Mourne Mountains to the north and the Dublin‑Wicklow range to the south.

The route provides several picnic spots and opportunities to pick seasonal fruit, making it a pleasant half‑day outing for walkers, anglers and wildlife enthusiasts alike.

Wildlife & Fishing Beyond Trout

While brown trout dominate, the Blackwater also supports Atlantic salmon in its lower reaches, especially during the summer run. The river’s clean limestone waters and abundant insect life create ideal conditions for a range of species, including small minnows and freshwater shrimp.

Nearby Attractions

The Blackwater runs through the heart of the Boyne Valley, a UNESCO World Heritage landscape. Visitors can combine a day on the river with a trip to Brú na Bóinne, home to the famous Newgrange, Knowth and Dowth passage tombs. A short drive north brings you to Bective Abbey, a 13‑century Cistercian ruin set in tranquil parkland. The town of Kells itself offers the Kells Heritage Centre, showcasing the world‑renowned Book of Kells. The river also joins the Boyne River at Navan, allowing further exploration of the Boyne Greenway.

Getting There & Transport

The Blackwater is easily reached via the N52 and N3 routes that link Bailieborough, Virginia, Kells and Navan. Public transport options include:

  • Bus Éireann services between Kells and Navan (stop at Kells town centre).
  • Rail: The nearest train station is Navan, with regular services to Dublin; a short taxi ride connects to the river’s lower reaches.

Parking is generally available at the main bridge access points – Nine‑Eyed Bridge, Mabes Bridge and the car park opposite the Kells Heritage Centre. No formal fee is charged for river access, though a fishing permit or club membership may be required for angling.

Practical Information

ItemDetails
Season (angling)1 Mar – 30 Sep
Main speciesWild brown trout, Atlantic salmon
Preferred methodsFly‑fishing (dry, wet, nymph, streamer)
RestrictionsBarbless hooks only; no worm bait downstream of Nine‑Eyed Bridge
Permit sourceKells Anglers Club (upper stretch) – kellsanglers.com ; Kilbride Anglers Club (mid‑lower stretch) – kilbrideanglersclub.com
ParkingDesignated spaces near Nine‑Eyed Bridge, Mabes Bridge and Kells Heritage Centre (free)
Dog friendlyYes, dogs welcome on riverside walks (keep on leash)
AccessibilityRiver banks are reachable via public roads; some sections have uneven ground – suitable for walkers with moderate ability
Wildlife highlightsKingfisher, heron, occasional osprey; limestone grassland wildflowers

Leave No Trace: Anglers and walkers are encouraged to follow the national “Leave No Trace” principles – close gates, avoid litter, and park only in designated areas.