| VITIM | Russian river, a tributary of the Lena, upon which Bodaybo, Irkutsk, stands |
| ANGARA | River in Siberia flowing from Lake Baikal to the Yenisei River upon which Irkutsk stands (6) |
| ONA | Russian river a.k.a. Biryusa |
| OLGA | Heading off from Russian river, a local girl? |
| LHASA | Capital of Tibet, in the northern Himalayas on a tributary of the Brahmaputra River (5) |
| AISNE | River in north-east France (221 miles long), a tributary of the Oise (5) |
| SINDH | A tributary of the Yamuna River, which flows through Madhya Pradesh and Uttar Pradesh |
| BLACKWATER | A short Highland river, a tributary of the River Conon (10) |
| WEY | River, a tributary of the River Thames, with two separate branches which join at Tilford (3) |
| ASIAN | Like the Irkutsk and Yakutsk territories on a Risk board |
| BLINI | Starters of buckwheat liked in Novosibirsk and Irkutsk (5) |
| KASHA | Back in Irkutsk, has cooked a dish made from buckwheat (5) |
| ZUNIS | Dwellers along a tributary of the Little Colorado River |
| TEVIOT | Scottish Borders river, a tributary of the River Tweed (6) |
| MARNE | A tributary of the Seine (5) |
| INDRE | Department in France named after a tributary of the Seine, whose capital is Chateauroux |
| MINSK | Capital on a tributary of the Berezina |
| OSAGE | A tributary of the Missouri |
| ENNS | Austrian river, a tributary of the Danube (4) |
| TIGRIS | Asian river, a tributary of the Euphrates (6) |
