Bourg, small town in the bordeaux region on the right bank of the River dordogne, just up river of its confluence with the Garonne, which is surrounded by the Côtes de Bourg appellation, also known as Bourg and Bourgeais. The 3,400 ha/8,398 acres of vineyard that produced Côtes de Bourg in 2013 have a characterful base of clay and limestone with sandy gravel deposits and some marls. They are planted substantially with Merlot and the best reds can be more concentrated and ageworthy than those from the larger blaye area to the immediate north, and vineyards on the edge of the Gironde estuary are particularly well protected from frost damage, thanks to the maritime influence. The star of the appellation is Ch Roc de Combes, related to St-Émilion’s Ch Tertre-Roteboeuf, on a particularly well-favoured site on the Gironde itself. A little dry white wine is also made.