Stroan Loch and Viaduct, Galloway Forest Park Les Bell November 13, 2015 2015, Dumfries and Galloway, Galloway Forest Park, Lakes, Lochs, Railways, Scotland, Stroan Loch, Viaducts View of Stroan Loch from Stroan Viaduct in Galloway Forest Park – the viaduct used to carry the railway from Dumfries to Glenluce and on to Stranraer.