According to F.Knowall and G.Cognescenti in their seminal work : The Wild Fruit of Ulster.(Green Books. London. 1876. Pps 1234-1267) this is the best place for Blackberries in Norn Iron. Huttonian is reluctant to identify it further so as to avoid a mad rush. Suffice it to say that the bushes are groaning with ripe fruit up to late October.
huttonian