Foel Drych's right basal dip is a quarter-month before spring equinox, the right end of its top is the equinox / cross-quarter midpoint and summer cross-quarters are at the left basal step.
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
Gors Fawr Stone Circle: Luni-solar rises
Foel Drych's right basal dip is a quarter-month before spring equinox, the right end of its top is the equinox / cross-quarter midpoint and summer cross-quarters are at the left basal step.
- Gors Fawr Stone Pair is c.140m north (17°)
- Cwm Garw Stone Pair is c.2.4km north-west (307°)
- Waun Lwyd Stone Pair is c.2.9km north-east (54°)
- Carn Besi Chambered Tomb is 2.8km south-east (126°)
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