West Dyke Road. Origin – Recent. Three groups of Three. Stones graded with the smallest, always red sandstone, to the west and the tallest to the the north.
Knox was perhaps the first to recognise the stone triangle. He records one from Ramsdale Hill Top, two miles west-south-west of Robin Hood’s Bay made of stones 4-6 feet high; also three small stones near a small barrow at Dry Heads, Harwood Dale.
Early Man in N.E. Yorkshire
Descriptions, Geological, Topographical, and Antiquarian in Eastern Yorkshire, Between the Rivers Humber and Tees: With a Trigonometrically Surveyed Map Extending Twenty-five Miles from Scarborough, [etc.]January 1, 1855