STRATHAVEN (locally pronounced Strays)  , a manufacturing and market town of Lanarkshire, Scotland . Pop . (1901), 4076 . It lies on the Avon, 16 m . S.S.E. of Glasgow by road, and is the terminus of the Caledonian Railway Company's branch line from Hamilton . It has manufactures of silk, cotton and hosiery and is a market for cheese and grain . The picturesque ruins of Avondale Castle are situated on Powmilion Burn, a stream that runs through Strathaven to join the Avon, a mile below the town . Remains of a Roman road are traceable for several miles immediately to the south of the Avon . Stonehouse (pop . 2961), a mining and weaving town about 4 M. north-west, is claimed as the birthplace of the Scottish martyr, Patrick Hamilton (1504-1528) . Six miles south-west of Strathaven, on the STRATHCLYDE 999 moor of Drumclog, the Covenanters defeated John Graham of Claverhouse, Viscount Dundee, on the 1st of June 1679 . A granite obelisk commemorates the battle, but the religious meetings that used to take place on the anniversary are no longer held .