It is indeed in that forest, inextricably mingled with the mystical sea-spiritual distance, that all these places of margel must lie. It is, after all, one of the great forests of myth – greater because of its hidden mysteries than Arden or Birnam or Westermain. The wood of Comus may be compared with it; and indeed it is poetically a part of it, except that itis a holy place and uninhabited by such sorcerers. A nobler comparison is with the forsest which Dante found at the foot of the Mount of Purgatory and where he came again to himself, or that other on the height o the Mount where Beatrice came again to him. But it is not proper to do more than shyly observe comparisons between such myths. It is a place of making and of all the figures concerned with making.
-Charles Williams, The Figure of Arthur, p.82
Other mysterious woods?
Arden, Birnam, Westermain, and Comus.
Where do we find these? Among other places…
Shakespeare (As You Like It), Shakespeare (MacBeth), George MacDonald, Milton
respectively.
But Broceliande is really more than any of these. It is THE place of making.