Wicklow TourIrish Private Tours

Boyne Valley Tour

Boyne Valley TourMegalithic Tour  
Boyne Valley Tours

More Ancient Sites
Meath Local Information
Art Work
Image Gallery
Contact Info

Irelands Ancient East


Loughcrew Autumnal Equinox 2002.

Click on images for larger view.
Morning Equinox Sunrise   Loughcrew Equinox Sunrise

Sunrise at Slieve na Caillaigh where Loughcrew Cairn T is situated.

The rising sun penetrating the passage of Cairn T and illuminating the back stone.

Click on image for a larger view.

A beam of light illuminates the backstone of Carin T

Equinox sunlight in Cairn T - Loughcrew This image taken inside Cairn T shows the shaped beam of equinox sunlight illuminating the back stone. The symbol on the top left of the illuminated area clearly represents the sun and the symbols with the horizontal markings may be measuring scales.

Click on image for a larger view.


Day Tours
Hill of Tara
Bective Abbey
Trim Castle

Newgrange Tours


Equinox Sunrise at the Gossan Stones


Video of Spring Equinox illumination

Site Map

Tim O'Brien in his book Light Years Ago states "It would appear that the construction of Cairn T was specifically designed to cleverly fashion a beam of light from the rising and early risen sun around the time of the equinoxes to define the four year equinox or leap year cycle."

Click on image for a larger view.

Loughcrew Cairn T

Light Years Ago by Tim O'Brien Light Years Ago by Tim O'Brien shows that the symbols of the sun engraved on the backstone of Cairn T at Loughcrew are precisely positioned to measure solar movement. A beam of light from the rising sun around the time of the March and September equinoxes is mapped on the backstone.

Purchase book at Amazon.com, purchase book at Amazon.co.uk

Day Tours Dublin

Boyne Valley Tours

Boyne Valley Tours Private Tour with pick up and return to your accommodation. Newgrange World Heritage site, the 10th century High Crosses at Monasterboice, Hill of Tara the seat of the High Kings, Bective Abbey and Trim Castle the largest Norman castle in Ireland More ...
Boyne Valley Tours
Irish Private Tours
. .