Silbury Hill 180
Image by tjj
Silbury Hill

sacred hills

The implication seems to be Silbury, Marlboro, Marden - and Knowlton.

They are said to be isolated, not in groups, except Silbury/Marlborough. (Dubious statistical analysis I reckon.)

And not a word about Silbaby! ;)

hmm and I was just reading little snippets about the Conquer barrow on the edge of the Mount Pleasant henge (and there's silbury on the edge of the palisaded enclosures). Oh no, don't tell me Silbury was just the cheap seats for the goings on inside.