Winter cross-quarters and the equinox are on hilltops. From a half-month north of the equinox the horizon is at a distance of c.40m.
Vertical scale x2, maxpic 3200x1600.
Orange lines mark the annual solar round. Lunistice positions over the 18.6 year lunar nodal cycle are blue. More about the Solar Calendar More about the Lunar Calendar More about this placeLook West
Arderrawinny Portal Tomb: Luni-solar rises
Winter cross-quarters and the equinox are on hilltops. From a half-month north of the equinox the horizon is at a distance of c.40m.
- Altar Wedge Tomb is 1.6km west (252°)
- Gubbeen Unclassified Tomb is 3.4km north-east (58°)
- Ahaglaslin Portal Tomb is the only other Portal Tomb in Co. Cork and is 43.5km east (82°)
- Poulnabrone Portal Tomb is in Co. Clare
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