| USK | River flowing from the Black Mountains to the Bristol Channel (3) |
| SEVERN | Flowing 220 miles from the Welsh Cambrian mountains to the Bristol Channel, Britain's longest river (6) |
| DANUBE | River flowing from the Black Forest to the Black Sea (6) |
| NECKAR | River in Germany flowing from the Black Forest to the Rhine (6) |
| BRECON | - Beacons; Welsh national park, site of Pen y Fan, Cribyn, Fan Brycheiniog and the Black Mountains (6) |
| DEE | Salmon river flowing from the Cairngorms past places including Ballater, Balmoral and Braemar (3) |
| BAA | Comment from the black sheep of the family? |
| TOR | A mountain to the right |
| TIS | "___ but a scratch" (line from the Black Knight after losing his arm, in "Monty Python and the Holy Grail") |
| ORE | Mineral from the Black Forest (3) |
| AVON | River which flows from the Cotswolds to the Bristol Channel (4) |
| LENA | Flowing some 2,736 miles from the Baikal Mountains to the Laptev Sea, the longest river entirely in Russia (4) |
| NEISSE | River flowing from the Jizera Mountains through the Czech Republic, Poland and Germany to the Oder ( |
| IRTYSH | River flowing from the Altai Mountains, through Kazakhstan to the Ob in Russia (6) |
| ISERE | River flowing from the Alps to the Rhone River |
| TAWE | River in South Wales that flows from the western Brecon Beacons to the Bristol Channel at Swansea |
| SPEY | River of east central Scotland flowing northeast from the Grampian Mountains to the Moray Firth (4) |
| SCHELDT | River flowing from the French village of Gouy through the port of Antwerp to the North Sea (7) |
| ELBE | River flowing from the Czech Republic to the North Sea (4) |
| RHONE | French river flowing from the Swiss Alps to the Mediterranean Sea (5) |
