Dalkey Island : Promontory Fort
Visit Notes
Thursday, 21st March 2002
A lovely spring morning, a great day to visit some sites. I didn't actually visit Dalkey Island but it is eay to see because it is just 150m from the coast at Dalkey.
The promontory fort was built on a rocky outcrop at the north end of the island. There appear to be no earthworks remaining.
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A Random Selection of Nearby Monuments
8.1 Km (WSW) there is a Cross at Stepaside Public Golf Course known as Jamestown Cross.
2.8 Km (SW) there is a Portal Tomb at Killiney known as The Druids' Judgement Seat.
5.2 Km (WSW) there is a Standing Stone at Brennanstown.
5.6 Km (SW) there is a Wedge Tomb at Laughanstown.
A Selection of Other Promontory Forts
About Coordinates Displayed
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This is an explanation of (and a bit of a disclaimer for) the coordinates I provide. Where a GPS figure is given this is the master for all other coordinates. According to my Garmin these are quite accurate. Where there is no GPS figure the 6 figure grid reference is master for the others. This may not be very accurate as it could have come from the OS maps and could have been read by eye. Consequently, all other cordinates are going to have inaccuracies. The calculation of Longitude and Latitude uses an algorithm that is not 100% accurate. The long/lat figures are used as a basis for calculating the UTM & ITM coordinates. Consequently, UTM & ITM coordinates are slightly out. UTM is a global coordinate system - Universal Transverse Mercator - that is at the core of the GPS system. ITM is the new coordinate system - Irish Transverse Mercator - that is more accurate and more GPS friendly than the Irish Grid Reference system. This will be used on the next generation of Irish OS maps. |
