Lough Ree
Lough Ree is one of the three great lakes of the River Shannon, stretching roughly 25 kilometres in length and up to 10 kilometres in width across the counties of Roscommon, Westmeath, and Longford in the Irish midlands. It sits at the heart of Ireland's lake district and forms one of the most significant inland water bodies on the island. The lake is a haven for wildlife, a destination for cruising and water sports, and a place where early Christian history and prehistoric archaeology are woven deeply into the landscape. Its islands alone — more than 50 of them — represent one of the richest concentrations of early medieval monastic heritage in all of Ireland, making Lough Ree far more than a scenic body of water; it is a living archive of Irish civilisation.
The history of Lough Ree reaches back to ancient times. The lake and its islands were settled by early Christian monks from the sixth century onward, most famously on Hare Island (Inis Aingin) and Saints' Island, where communities flourished and produced illuminated manuscripts and religious artefacts. These monasteries were repeatedly raided by Vikings who used the Shannon as a highway into the Irish interior during the ninth and tenth centuries. Indeed, Lough Ree was one of the first inland waterways in Ireland to suffer sustained Viking incursion, with the raiders establishing a base on the lake around 844 AD. The surrounding shores were also contested during the Norman period and the subsequent centuries of conflict, and the ruins of fortified towers and castles dot the shoreline to this day. The town of Athlone, at the southern end of the lake, was the site of two significant sieges in 1690 and 1691 during the Williamite Wars, and the Shannon crossing there was considered one of the most strategically important in Ireland.
The physical experience of Lough Ree is one of extraordinary openness. Standing on the shore, particularly on the western Roscommon side, one is confronted by a wide, pewter-grey expanse of water that seems almost oceanic in scale for an inland lake. The wind frequently whips across the surface, raising whitecaps and filling the air with the sound of waves breaking against reedy banks. In calmer weather the lake becomes a mirror, reflecting the great dome of the Irish sky and the low, green hills that rise gently around its edges. The water itself is relatively shallow in places and prone to sudden squalls, which have historically made navigation treacherous. In winter, mist often hangs low over the surface in the mornings, and the calls of wildfowl carry far across the water. In summer, the light on the lake can be spectacular, particularly in the long evenings when the sun sets slowly over Connacht to the west.
The surrounding landscape is classic Irish midlands — flat or gently rolling drumlin country, largely agricultural, with hedgerows, small woodlands, and occasional raised bogs adding texture to the scenery. The town of Athlone is the principal urban centre at the southern end, offering good services, restaurants, and the impressive Athlone Castle, which houses a museum covering the history of the region and the Shannon. The eastern shore runs through County Westmeath, where Glassan village — sometimes called the Garden Village of Ireland — sits close to the lake and offers lovely walks and views. To the north, the town of Lanesborough/Ballyleague straddles the Shannon where it enters the lake, and there is a popular marina there. The Goldsmith Country of County Longford, associated with the poet and playwright Oliver Goldsmith, lies close to the northeastern shore.
Lough Ree is internationally renowned among birders and naturalists. The lake and its islands support large populations of breeding waterbirds including great crested grebes, common and Arctic terns, and significant numbers of wintering ducks and waders. The callows — seasonally flooded grasslands along the Shannon — provide feeding grounds for whooper swans, golden plover, and lapwing in winter. The lake is also a designated Special Area of Conservation and Special Protection Area under EU environmental legislation, reflecting the importance of its habitats. Otters are present along much of the shoreline, and the lake holds populations of pike, perch, bream, and roach that attract anglers from across Europe.
For those arriving by water, Lough Ree is part of the Shannon–Erne Waterway system and is accessible by hire cruiser from several bases along the Shannon, including Athlone, which is the most popular starting point. Cruising the lake and pulling in to the islands for a picnic or an exploration of monastic ruins is one of the finest ways to experience it. For those travelling by road, the R362 and surrounding regional roads provide access to various points along the shore. Glassan on the eastern side and Lecarrow on the western Roscommon shore both have small marinas and slip ways for smaller craft. The lake is accessible year-round, but the sailing and cruising season typically runs from April to October. Walkers will find the western shore particularly rewarding, and the Roscommon lakeshore offers some pleasant if informal walking opportunities, though a dedicated long-distance trail fully encircling the lake does not yet exist.
One of the more unusual stories associated with Lough Ree is the persistent tradition of a lake monster. In 1960, three respected priests — Father Matthew Burke, Father Daniel Murray, and Father Richard Quigly — reported seeing a large, flat-headed creature moving through the water near the southern end of the lake. The account was taken seriously enough to be reported in national newspapers and has since become part of local folklore, with the creature dubbed "Peiste" after the Irish word for a water serpent or lake monster. The story is recalled with a mixture of affection and bemusement by locals, but it adds another layer of mystery to a lake that already feels timeless and slightly otherworldly, especially on a grey autumn morning when the mist refuses to lift and the islands dissolve into the distance.