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Rahasane Turlough

Galway  >  Ireland

Shallow lake (3 km long and 1 km wide) that is formed each winter when the Dunkellin River floods.

Added* by Terry
Most recent update 21 szeptember 2022

Description

Rahasane turlough is the largest surviving turlough (an intermittent lake) in Ireland. It is an important location for migrating birds, and wintering ground for the Nagy lilik. It is one of the few known breeding grounds in Ireland of the Fütyülő réce. The Böjti réce can be seen on occasion. And it is a very good place to spot accidental visitors from America, such as álarcos réce, and from Europe, such as kormos szerkő.

In winter you can find Greenland Nagy lilik (nationally important numbers) and Énekes hattyú are regular in small numbers. There are often large numbers of Fütyülő réce, whilst Tőkés réce, Csörgo réce, Kanalas réce, Kontyos réce and Barátréce will also be present. There is a good chance of Nyílfarkú réce and Kendermagos réce, which are not easy to find in Galway. Winter waders include large numbers of Aranylile and Bíbic , with Nagy póling, Piroslábú cankó, Nagy goda and Havasi partfutó as a supporting cast. In autumn there are often rarer waders if water levels are favourable. Birds like Sárgalábú cankó, Réti cankó, Pajzsoscankó, Sarlós partfutó, Kis sárszalonka and Havasi lile have been seen.

Details

Access

This site is best reached from the main N18 Galway to Limerick road. At Kilcolgan (18 km, 11 m, south of Galway) turn left onto the minor road to Craughwell. After a few km the turlough will be seen to the right of the road. There are several viewpoints along the road and from lane ends leading from it. Please take care when parking.

Terrain and Habitat

Wetland , Grassland

Conditions

Open landscape

Circular trail

No

Is a telescope useful?

Can be useful

Good birding season

Winter , Autumn

Best time to visit

Winter

Route

Paved road

Difficulty walking trail

Easy

Accessible by

Car

Birdwatching hide / platform

No

Extra info

A turlough is a karst lake, which has no surface outlet and is surrounded on all sides by rising land. At Rahasane the drainage has been modified in that since the nineteenth century the Dunkellin river has followed an artificial channel downstream of the turlough, but part of the flow continues to go underground, via a natural sink, into the underlying limestone. Rahasane consists of two basins which are connected at times of flood but separated as the waters decline. It covers 257 ha. The site comprises marshes, seasonally flooded wet meadows, with limestone outcrops and scrub at its margins. In the summer the lake empties and the basin is grazed by cattle, horses and sheep.

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