Opavice
The Opavice is a river in the Czech Republic, a left tributary of the Opava River. It flows through the Moravian-Silesian Region. It is long. Part of the river forms the Czech-Polish state border.
Etymology
The name Opavice is a diminutive of 'Opava'.Characteristic
The Opavice originates in the territory of Heřmanovice in the Zlatohorská Highlands range at an elevation of and flows to Krnov, where it enters the Opava River at an elevation of. It is long, of which about forms the state border between the Czech Republic and Poland. Its drainage basin has an area of about, of which is in the Czech Republic. The average discharge at 1.7 river km is.The longest tributaries of the Opavice are:
| Tributary | Length | Side |
| Kobylí potok | 12.1 | right |
| Radynka / Mohla | 9.5 | left |
| Komorský potok | 6.3 | left |
| Solný potok | 6.1 | left |
| Valštejnský potok | 6.0 | left |