 The Deanston Distillery near Doune uses the Teith to supply water for the manufacture of Deanston Single Malt Whisky.The 'Brig o' Teith' was constructed in 1535 by Robert Spittal, a Royal tailor to Mary Queen of Scots.According to Charles Roger in 'A Week at Bridge of Allan 1851', a ferryman refused Spittal passage across the Teith as he did not have his purse and could not pay.