This quote from Harry Bell’s Glasgow’s Secret Geometry serves as my compass:

Seng-t’san (d. AD 606)

In brilliant low autumn sunshine I make the journey to the De’il’s Plantin, the Devil’s Plantation, or as it’s rather more prosaically known, Bonnyton Mound, off the Humbie Road, roughly seven miles south of the city between Newton Mearns and Eaglesham. I take with me: a flask of…