| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Istras |  | 112,500,000 | 40,500 | 55.8321750000 | 24.4729750000 | Map | |||||
| Suosa | 96,800,000 | 13,900 | 55.7833300000 | 24.8333300000 | Map | ||||||
| Kupa (Lėvuo) |  | 188,000,000 | 27,000 | 55.8353500000 | 24.9440300000 | Map | |||||
| Viešinta |  | 223,000,000 | 29,000 | 55.7833000000 | 24.7833000000 | Map | |||||
| Svalia (river) |  | 96,200,000 | 36,000 | 56.0617000000 | 24.3969000000 | Map |