climb, as the summit is approached. The exposed terrain of Dumyat and the surrounding muir are suitable only for sheep farming, with several sheep folds dotting the hill's sides, along with the ruins of a shepherd's stone house. Dumyat was formerly the site of small-scale mining for copper and barytes, although these workings are now abandoned. The scree on the scarp face of Castle Law is a source of agates, not necessarily of the finest quality, but occasionally other specimens such as smoky quartz and citrine can be found, along with the inevitable quartz, calcite, barytes, and two ores of copper, malachite, and less commonly, azurite. At the top is a memorial to the Argyll and Sutherland Highlanders, a memorial bench to Mr Michael Simpson (a long serving and much loved member of the Open University) a trig point, and a characteristic cairn with a beacon on top that is currently filled with stones. The stones which are placed in the beacon are all wishes that have been made by others. The beacon on the top of Dumyat was commissioned for the Queen's Silver Jubilee in 1977. It was carried up and erected by the Menstrie Scout Group and was part of the UK chain of beacons lit as part of the Jubilee celebrations. References External links Information about the hill fort Aerial photo of Dumyat: Web page and image P000728 (1 January 1976) from British Geological Survey Photographs of Dumyat and the surrounding area Hills of the Scottish Midland Valley Mountains and hills of Clackmannanshire Geology of Scotland Mountains and hills of Stirling (council area) Marilyns of Scotland Hill forts in Scotland Archaeological sites in Stirling (council area) Scheduled monuments in Scotland nl:Dumyat