Sites and Monuments Record · Ireland
Earthwork
Johnstown (castleknock By., Blanchardstown Ed), County Dublin, Ireland
The record
- Townland
- Johnstown (castleknock By., Blanchardstown Ed)
- County
- Dublin
- Country
- Ireland
- First-edition OS map
- Not indicated
- Latest-edition OS map
- Not indicated
- Coordinates
- 53.41188, -6.32168
- SMR number
- DU014-138----
Slide toward Today to fade the historical sheet and see the modern map underneath.
David Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford Libraries
Shown on 4 historical map sheets, the earliest the 1790 "Composite: Ireland." (David Rumsey Map Collection, Stanford Libraries).
This record in the National Monuments Service's Historic Environment Viewer ↗
The National Monuments Service's description
In tillage field. Circular-shaped cropmark (diam. c. 45m) with possible outer enclosing ditches visible on Apple Maps orthoimage and Google Earth orthoimages.
See attached orthoimage taken from Apple Maps and Google Earth orthoimages
Compiled by: Caimin O'Brien based on details provided by Jean-Charles Caillère
Date of upload: 21 December 2022
Nearby in the register
- Ring-ditchunder 1 mi
- Enclosureunder 1 mi
- Enclosureunder 1 mi
- Castle - motte and baileyunder 1 mi
Other entries of the same register within about three miles of this one, by straight line.