Lakes, Rivers & Waterfalls in County Longford

Water in Longford means the Shannon system rather than the sea, and most of what follows sits on the county’s western and southern edges. Cloondara is the anchor: the Royal Canal drops through its last lock into the Shannon at Richmond Harbour, a cut-stone basin that is also the western trailhead of the 130km Royal Canal Greenway, with free parking and bike and paddle hire on site. Follow the canal back east and you reach Abbeyshrule, where Cistercians from Mellifont built an abbey on the River Inny in 1150; the ruins are free and open dawn to dusk, and the greenway runs traffic-free through the village and over the 1817 Whitworth Aqueduct a kilometre west.

The two rivers on the list tie those points together. The Camlin gave Longford its name and runs slow and lowland through the town itself, with an easy riverside walk there and a 10km Blueway loop where it meets the Shannon at Cloondara. The Inny carries roach, bream, tench, perch and pike along most of its 88.5km, and breaks into a short run of rapids below Newcastle bridge.

Barley Harbour and Newtowncashel need a drive southwest to the Lough Ree shore; Lough Gowna sits at the opposite end of the county, on the Cavan border. Late afternoon light is worth timing for at the harbour.

Where to start

  1. Cloondara – where the Royal Canal ends Cloondara

    The Royal Canal's western terminus, where it locks down into the Shannon at cut-stone Richmond Harbour, and the trailhead for the 130km greenway.

  2. Abbeyshrule – Cistercian ruins by the canal Abbeyshrule

    A free, dawn-to-dusk Cistercian ruin from 1150 on the Inny, floodlit in high summer, with the traffic-free greenway running through the village.

  3. Barley Harbour – a quiet slip on Lough Ree Newtowncashel

    A plain community slipway on Elfleet Bay with a grassy lawn to the water and a long view across to the monastic island of Inchcleraun.

  4. River Camlin

    The slow lowland river that gave Longford its name, offering a 10km Blueway loop, coarse angling and an easy walk through the town.

  5. River Inny – Longford coarse fishing Longford

    An 88.5km coarse fishery holding roach, bream, tench, perch and pike, with rapids below Newcastle bridge and the Whitworth Aqueduct at Abbeyshrule.

8 of 8 shown — tap a pin for the place.

Fiona Egan, Cloughan Farm, Abbeyshrule, Co Longford
Fiona Egan, Cloughan Farm, Abbeyshrule, Co Longford Courtesy Failte Ireland

Abbeyshrule – Cistercian ruins by the canal

Abbeyshrule, longford

Cistercian monks from Mellifont founded Abbeyshrule’s abbey on the River Inny in 1150; the ruins are free, open dawn to dusk and lit each evening from late June to early August. The Royal Canal Greenway runs traffic-free through the village and over the Whitworth aqueduct a kilometre west, and the Rustic Inn hosts an Argentine asado every July. An hour covers the abbey – longer if the canal tempts you onward.

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Barley Harbour, Co Longford
Barley Harbour, Co Longford Courtesy of Micheal Howard for Fáilte Ireland

Barley Harbour – a quiet slip on Lough Ree

Newtowncashel, longford

Barley Harbour is a plain community slipway on Elfleet Bay, not a marina, with a grassy lawn running down to the water and a long view across to Inchcleraun, a 6th-century monastic island tied to Queen Maeve's death. The Casey family carves bog oak in a studio by the slip. Come in late afternoon for the light on the water.

🌳 Outdoor 🅿️ Free Parking

Questions people ask

Where does the Royal Canal Greenway start in Longford?
At Richmond Harbour in Cloondara, the canal's western end, where it drops through its final lock into the Shannon. There is free parking at the harbour, along with bike and paddle hire, and the Richmond Inn beside the water. The greenway runs 130km east from here.
Which of these is best for coarse fishing?
The River Inny holds roach, bream, tench, perch and pike along almost its full 88.5km from Slieve na Calliagh to Lough Ree. The Camlin has coarse angling along its quieter reaches, and Lough Gowna on the Cavan border is a shallow, island-strewn pike lake.
How do I get onto Lough Ree from Longford?
Barley Harbour on Elfleet Bay, near Newtowncashel, is the parish's only public gap onto the lough. It is a community slipway rather than a marina, with a grassy lawn running down to the water and views across to Inchcleraun island.
Can I combine two or three of these in one day?
Cloondara, Abbeyshrule and the Camlin all sit on the same canal and river network and pair naturally, linked by the greenway and by Longford town. Barley Harbour and Newtowncashel are a separate run to the Lough Ree shore, and Lough Gowna lies at the far northern end.
Is there anything to see at Abbeyshrule in the evening?
The abbey ruins are lit each evening from late June to early August. An hour covers the site itself, though the canal often tempts people on further. The Rustic Inn in the village hosts an Argentine asado every July.

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