On the Great River
Movie| Title | Na veliké řece |
| User score | 7 |
| Release date | Nov 10, 1978 |
| Genre | Adventure, Family |
| Director | Jan Schmidt |
| Production country | Czechoslovakia |
| Production companies | Filmové studio Barrandov |
| Run time | 66 min. |
Second movie of the famous Czech adventure trilogy: Osada Havranů Na veliké rece Volání rodu
