In reply to dbdkmezz:
I had a similar "nonclimbing holiday" in Dunoon awhile back, taking shoes just in case. Glen Masson main boulder looked ok in the rain, never tried it, and didn't boulder at all. However, it's a lovely area, and we had good fun checking out places on the Buildings At Risk register nearby (there are quite a few).
It'll be great, take Smidge, watch yer ankles.