Dingle Glen, Dublin

Dingle Glen (Irish: An Fhothair)[1] is a steep-sided and V-shaped valley "gash",[2] or glen, extending for 550-metres through the bedrock of the lowlands of the Dublin Mountains, located between Carrickmines and Kilternan.[3] In an ecological impact assessment for a proposed development nearby, Dingle Glen was categorised as "a secluded mature broadleaf woodland, mixed with rocky outcrops, within a glacier meltwater channel, thus providing a diversity of habitats within a small undisturbed area".[4]

Dingle Glen
An Fhothair
The steep-sided slopes of Dingle Glen
Map showing the location of Dingle Glen
Map showing the location of Dingle Glen
Location in relation to Dublin city
Locationvicinity of Kilternan, Dún Laoghaire–Rathdown, Ireland
Coordinates53°14′21″N 6°10′47″W
Governing bodyPrivate landowners

Location
Looking north-west across the wooded Dingle Glen towards Sandyford Industrial Estate and Dublin city centre beyond

Dingle Glen is located approximately 13 kilometres to the south of Dublin city centre in the county of Dún Laoghaire–Rathdown between the populated centres of Carrickmines and Kilternan.

The 550-metre[2] length of the glen serves as a natural boundary between the three neighbouring townlands of (a) Glenamuck South, (b) Tiknick and (c) Carrickmines Great.[5]

Geology

According to Hoare, Dingle Glen was created during the last Ice Age as a result of the massive 'Irish Sea ice-sheet' which advanced in a generally south-westwardly direction across County Dublin from a centre of origin located somewhere to the north of Ailsa Craig in the Firth of Clyde.[2]

As a result of the movement of the ice-sheet, a "striking series of meltwaters channels"[2] exist in the northern foothills of the Dublin/Wicklow Mountains; geological formations which include the Piperstown channel, Ballybetagh channel (occupying the depression between Ballyedmonduff Hill and Ballybetagh Hill), the Scalp (aka Barnaslingan), and the Glenamuck channel (located 600m west of Dingle Glen).[2]

Both Dingle Glen and the Glenamuck channel extend southward as "small, ill-defined and shallow valleys", however the Glenamuck channel is pronouncedly less deep.[2] Hoare notes that Lamplugh et al. (1903) recorded calcareous till at the southern exit of Dingle Glen and at both ends of Glenamuck, and speculated that the drift continued along the floors of both features.[2]

Preservation

The entire Dingle Glen area was highlighted as a proposed Natural Heritage Area in the Dún Laoghaire–Rathdown County Council Development Plan of 2010–2016.[6] It was still classed as such in the County Development Plan 2022-2028[7] in which Natural Heritage Areas (NHAs) were specified as being:

"...designated due to their national conservation value for ecological and/or geological/geomorphological heritage. They cover nationally important semi-natural and natural habitats, landforms or geomorphological features, wildlife plant and animal species or a diversity of these natural attributes. NHAs are designated under the Wildlife (Amendment) Act 2000."[7]

In the County Development Plan 2022-2028, the protection and enhancement of the status and quality of Dingle Glen was listed as a key action.[8]

Access

A public right of way exists from Ballycorus Road to the glen via Dixon Lane.[9][10]

See also

References
  1. Dingle Glen / An Fhothair. Placenames Database of Ireland.
  2. Hoare, P.G.; Hoare, P.J. (8 July 1976). "Glacial Meltwater Channels in County Dublin". Proceedings of the Royal Irish Academy. Section B: Biological, Geological & Chemical Science. Dublin: Royal Irish Academy. 76 (1): 173–185. JSTOR 20519012.
  3. "Dingle Glen, Glenamuck". South Dublin Libraries. 1 October 1978. Retrieved 19 August 2023.
  4. "Ecological Impact Assessment for the proposed Public Park in Lands Adjacent to Glenamuck Road South" (PDF). Dún Laoghaire–Rathdown County Council. 9 March 2021. Retrieved 19 August 2023.
  5. GeoHive Environmental Sensitivity Mapping: Administrative Boundaries - Townlands. UCD School of Geography and the All-Island Research Observatory (AIRO) at Maynooth University.
  6. "Dún Laoghaire–Rathdown County Council - Development Plan 2010-2016" (PDF). Dún Laoghaire–Rathdown County Council. 8 April 2010. Retrieved 19 August 2023.
  7. "County Development Plan 2022-2028: Final Strategic Environmental Assessment. Environmental Report" (PDF). Dún Laoghaire–Rathdown County Council. 1 April 2022. Retrieved 19 August 2023.
  8. "Draft County Development Plan 2022-2028. Appendix 15 - Green Infrastructure Strategy" (PDF). Dún Laoghaire–Rathdown County Council. Retrieved 20 August 2023.
  9. "Appendix 8: Public Rights Of Way / Recreational Access Routes" (PDF). Dún Laoghaire–Rathdown County Council. Retrieved 20 August 2023.
  10. "Development Plan 2016-2022 - Planning and Organisational Innovation Department". Dún Laoghaire–Rathdown County Council. Retrieved 20 August 2023.
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