Dergraw

63 registered freehold parcels lie mostly in Dergraw, from 104 m² to 158,111 m² (15.81 ha, 39.07 acres). The dashed line is the townland's boundary; 23 neighbouring parcels touch it.

Download the townland: DXF, in Irish Transverse Mercator metres, with its boundary, parcels and buildings; GeoJSON or KML.

No zone of a development plan covers Dergraw in the national zoning. Outside zoned towns and villages, the county development plan's rural policies apply to each application.

Source: Tailte Éireann and the Department of Housing (MyPlan), national zoning, CC BY 4.0.

No planning application touches the townland of Dergraw in the national file, which goes back to 2010.

Source: National Planning Applications, Department of Housing, Local Government and Heritage, CC BY 4.0. Applicants are not shown.

Designated sites

• Proposed Natural Heritage Area: Lough Drumharlow 001643

Recorded monuments

• RO007-040 Ringfort - rath
  Description

  On a low rise in a low-lying landscape. Circular grass-covered area (diam. 24.2m N-S) defined by an overgrown earthen bank (Wth 4.5-6m; int. H 0.4-0.8m; ext. H 1.5-1.6m) NE-S-W, which is reduced to a scarp (H 0.4-0.9m) elsewhere, with an outer fosse (Wth of top 4-5.5m; D 0.2-0.8m) ENE-S-W, which is replaced by a band of wet ground (Wth 3-3.5m) N-NE. There is no visible entrance. Compiled by: Michael Moore Date of upload: 24 August 2010

• RO007-046001 Ringfort - rath
  Description

  On top of a drumlin. D-shaped overgrown area (dims 31m NW-SE; 26m NE-SW) defined by an earthen bank (Wth 3.5-4m; int. H 0.2-0.5m; ext. H 0.7-1m) at N and a scarp (H 0.5-0.65m) elsewhere, with an outer fosse (Wth of top 4-5m; D 0.2m generally to 0.65m at E) W-N-E. Rath (RO07-046002-) is attached to the SE, but separated from it by a NE-SW field bank and drain. It is unplanted in mixed woodland (Bing c. 2013). Compiled by: Michael Moore Date of revised upload: 27 May 2015

• RO007-046002 Ringfort - rath
  Description

  On top of a drumlin. Circular overgrown area (diam. c. 25m) defined by an earthen bank (Wth 4-5m; int. H 0.2-1m; ext. H 0.7-1.8m), and an outer fosse (Wth of top 3.5-5m; D 0.4-1m) N-W, but there is no visible entrance. Rath (RO007-046001-) is attached to the NW, but separated from it by a NE-SW field bank and drain. Compiled by: Michael Moore Date of upload: 24 August 2010

• RO007-047 Ringfort - rath
  Description

  Marked only on the 1914 ed. of the OS 6-inch map as a small feature (diam. c. 15m), and situated on the W-facing slope of a drumlin. Circular overgrown area (diam. c. 17m) defined by an eroded, gapped earthen bank (Wth 3.5-4.5m; int. H 0.3-0.6m; ext. H 0.8-1.1m). There is no visible fosse or entrance. Rath (RO007-048----) is c. 80m to the E. Compiled by: Michael Moore Date of upload: 24 August 2010

• RO007-048 Ringfort - rath
  Description

  On the top of a drumlin. Circular grass and rush-covered area (diam. 36.5m E-W; 35m N-S) defined by a partly wet fosse (Wth of top 4.6m; Wth of base 2-2.5m; int. D 0.4-1m; ext. D 0.2-0.4m) NE-S-NW. There is no visible entrance, but the perimeter is overlain by an E-W field bank at N and the fosse is barely visible N of this. Rath (RO007-047----) is c. 80m to the W. Compiled by: Michael Moore Date of upload: 24 August 2010

• RO007-049 Ringfort - rath
  Description

  In a flat, low-lying landscape, c. 100m E of a N-S stream. Subcircular grass and scrub-covered area (dims 33m N-S; 29m E-W) defined by an overgrown scarp (H 0.4-0.9m), and a fosse (Wth of top 4.5-5m; D 0.2-0.6m) NW-NE which is represented by a band of rushes (Wth 3-3.5m) S-W. There is a causeway (Wth 3m) across the fosse at ENE and a water-filled natural hollow or disused quarry SE of the monument. Compiled by: Michael Moore Date of upload: 24 August 2010

Architectural heritage

No building of the National Inventory of Architectural Heritage stands in the townland of Dergraw.

Designated sites: National Parks and Wildlife Service. Recorded monuments: Sites and Monuments Record, National Monuments Service. Buildings: National Inventory of Architectural Heritage. Department of Housing, Local Government and Heritage, CC BY 4.0. Works at or in relation to a recorded monument need two months' written notice to the National Monuments Service (National Monuments (Amendment) Act 1994, section 12).

Radon

About 1 in 10 homes in this area is likely to have high radon levels. Testing a home

Landslides

Susceptibility low, on the 1:50,000 map.

Terrain model

LiDAR of the Office of Public Works, flown in 2011, at 2 m: tile OPW_1438 (ZIP).

Flooding

The flood maps of the Office of Public Works: floodinfo.ie.

Radon Risk Map of Ireland, Environmental Protection Agency; Landslide Susceptibility Classification, Geological Survey Ireland; both CC BY 4.0. LiDAR: contains Irish Public Sector Data (Geological Survey Ireland & the Office of Public Works) licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence.

No address of the register names Dergraw with five sales or more. The sales of the area are on the page of Co. Roscommon.

Name

Dergraw

Area

1,167,962 m² (116.8 ha, 288.61 acres)

Civil parish

Ardcarn, and its townlands

Barony

Boyle

Electoral division

Tumna South, the unit of the census

Census 2022

Tumna South electoral division: 207 people in 89 households; 84% of households own their home; 28% of homes were built since 2001; 15% of dwellings stood vacant on census night, and 16% were holiday homes.

Neighbouring townlands

Carrigeen, Church Hill, Clooncoose, Cloonfad, Derreenannagh, Drumsillagh, Gortleck, Shanballybaun

Placenames

Dergraw on logainm.ie, the Placenames Database of Ireland

Townlands, civil parishes, baronies and electoral divisions, National Statutory Boundaries, Tailte Éireann, CC BY 4.0. Census 2022, Small Area Population Statistics by electoral division, Central Statistics Office, CC BY 4.0. A townland is the smallest land division of Ireland, and the unit of a rural address; old registers such as the 1901 and 1911 censuses file it under its civil parish and barony.