Dun : Artificial Mound

Grid RefO 113 502
Longitude6° 19' 22.51" W
Latitude53° 29' 24.11" N
ITM east480366
ITM north584435
Nearest TownAshbourne (5.4 Km)
OS Sheet43
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 4th June 2006

This mound is 300m east of an impressive looking rath that is marked on the OS map. The mound isn't marked. I will visit the rath when the grass around it isn't so high.

The mound is long, rather than round and aligns roughly north-south. There are several pieces of rock poking out of it and it has a lovely thorn tree growing on top of it. It has also been used to mount a telegraph pole on!

Like this monument

Marked Sites

Random Gazetteer

A Selection of Other Artificial Mounds

About Coordinates Displayed

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.

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