Finlayson Point?
it’s a Magritte.

we’re inside
a painting
--seascape with cliffs--
and the left
top corner
grey mountainous shore
is real:
it’s the bit
in Magritte
that you see through
the window

and the cliffs
and the trees
and the sea
and we

are in 
looking out

(or out
looking in)

I think.