Glenasmole ( ga, Gleann an Smóil) is a valley in the

Dublin Mountains The Wicklow Mountains (, archaic: '' Cualu'') form the largest continuous upland area in the Republic of Ireland. They occupy the whole centre of County Wicklow and stretch outside its borders into the counties of Dublin, Wexford and Carlow. Wh ...

in the south of

County Dublin "Action to match our speech" , image_map = Island_of_Ireland_location_map_Dublin.svg , map_alt = map showing County Dublin as a small area of darker green on the east coast within the lighter green background of ...

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

. The valley itself is around in elevation and is surrounded by mountains exceeding in elevation.

Kippure Kippure () at , is the 56th-highest peak in Ireland on the Arderin scale, and the 72nd-highest peak on the Vandeleur-Lynam scale.Mountainviews, (September 2013), "A Guide to Ireland's Mountain Summits: The Vandeleur-Lynams & the Arderins", Colli ...

, at , is the highest mountain along the valley ridge and is also the

highest point A list of highest points typically contains the name, elevation, and location of the highest point in each of a set of geographical regions. Such a list is important in the sport of highpointing. A partial list of highpoint lists is below: World ...

in County Dublin. The

River Dodder The River Dodder ( ga, An Dothra) is one of the three main rivers in Dublin, Ireland, the others being the Liffey, of which the Dodder is the largest tributary, and the Tolka. Course and system The Dodder rises on the northern slopes of K ...

rises at Kippure and flows through the valley, reaching the sea at

Dublin Bay Dublin Bay ( ga, Cuan Bhaile Átha Cliath) is a C-shaped inlet of the Irish Sea on the east coast of Ireland. The bay is about 10 kilometres wide along its north–south base, and 7 km in length to its apex at the centre of the city of ...

. The Glenasmole Valley is an EU-designated

Special Area of Conservation A Special Area of Conservation (SAC) is defined in the European Union's Habitats Directive (92/43/EEC), also known as the ''Directive on the Conservation of Natural Habitats and of Wild Fauna and Flora''. They are to protect the 220 habitats and a ...

. The Dodder feeds the two reservoirs at the centre of the valley, known as the Bohernabreena Reservoirs. The reservoirs, constructed between 1883 and 1887, supply 18.2 million litres of water per day. Despite being within

South Dublin , image_map = Island of Ireland location map South Dublin.svg , map_caption = Inset showing South Dublin (darkest green in inset) within Dublin Region (lighter green) , area_total_km2 ...

's local authority area, the reservoirs and accompanying waterworks are owned and operated by

Dublin City Council Dublin City Council ( ga, Comhairle Cathrach Bhaile Átha Cliath) is the authority responsible for local government in the city of Dublin in Ireland. As a city council, it is governed by the Local Government Act 2001. Until 2001, the council ...

The area around the valley is rural in nature and has a population of 415 according to the 2016 Census. There are no nucleated villages in the valley as most dwellings are one-off houses. The

small area Small may refer to: Science and technology * SMALL, an ALGOL-like programming language * Small (anatomy), the lumbar region of the back * ''Small'' (journal), a nano-science publication * <small>, an HTML element that defines smaller text ...

encompassing the valley covers , giving it a population density of 14.9 people per square km, making it the most sparsely populated region in County Dublin.

References

{{reflist Landforms of County Dublin Valleys of Ireland