| Left drag | Rotate |
| Right drag | Pan |
| Scroll | Zoom |
| Double-click | Fly to that spot |
| Click river | Cross-section |
| Space | Play / pause |
| F | Trigger a flood |
| R | Reset |
| 1 2 3 4 | Camera presets |
| ? | This list |
This river simulator needs a window at least 1024 pixels wide and a graphics card with WebGL2. Please open it on a laptop or desktop computer.