Conwy Castle Conwy Castle, a World Heritage Site, is a dark fortress that evokes an authentic medieval atmosphere. With Snowdonia behind the castle along the horizon line, the battlements command a stunning view. Conwy Castle was built between the years of 1283 and 1289 by Edward I. The castle boasts eight round towers and tall curtain walls. Address: . Conwy +44 (0) 14 9259 2358
+44 (0) 14 9259 2358