| Hint | Length within CZ (km) | Answer | Total length (km) | % Correct |
|---|---|---|---|---|
| 2 | 368 | Elbe | 1094 | 94%
|
| 1 | 430 | Vltava | 430 | 88%
|
| 3 | 269 | Morava | 353 | 81%
|
| 4 | 247 | Ohře | 305 | 44%
|
| 6 | 196 | Thaya | 234 | 44%
|
| 7 | 181 | Jihlava | 181 | 38%
|
| 5 | 226 | Sázava | 226 | 38%
|
| 8 | 168 | Svratka | 168 | 38%
|
| 10 | 158 | Lužnice | 158 | 31%
|
| 9 | 167 | Jizera | 167 | 25%
|