| Kyjovka | |
| Source1 Location: | Staré Hutě, Chřiby |
| Mouth Location: | Thaya |
| Mouth Coordinates: | 48.6492°N 16.9208°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Czech Republic |
| Subdivision Type2: | Regions |
| Length Km: | 88.1 |
| Discharge1 Avg: | 0.82m3/s near estuary |
| Basin Size Km2: | 678.3 |
The Kyjovka (also known as Stupava) is a river in the Czech Republic, a left tributary of the Thaya River. It flows through the South Moravian and Zlín regions. It is 88.1km (54.7miles) long.
The river is named after the town of Kyjov.
The Kyjovka originates in the territory of Staré Hutě in the Chřiby range at an elevation of and flows to Lanžhot, where it enters the Thaya River at an elevation of . It is 88.1km (54.7miles) long. Its drainage basin has an area of 678.3km2.[1]
The longest tributaries of the Kyjovka are:[2]
| Tributary | Length (km) | Side | |
|---|---|---|---|
| Kopanice | 31.9 | left | |
| Hruškovice | 24.7 | right | |
| Prušánka | 24.5 | right | |
| Svodnice | 18.5 | right | |
| Šardický potok | 11.2 | right |
The most notable settlement on the river is the town of Kyjov. The river also flows along the municipal border of Hodonín. The river flows through the municipal territories of Staré Hutě, Stupava, Koryčany, Mouchnice, Nemotice, Snovídky, Kyjov, Svatobořice-Mistřín, Dubňany, Mutěnice, Hodonín, Lužice, Mikulčice, Moravská Nová Ves, Týnec, Tvrdonice, Kostice and Lanžhot.
There are 324 bodies of water in the basin area. The Koryčany Reservoir and many fishponds are constructed on the river or near the river. The largest body of water is the fishpond Jarohněvický rybník with an area of, built directly on the Kyjovka. The Hodonín and Mutěnice pond systems are notable for their total area and importance for fish breeding and as a nesting and refuge area for birds.[1] [3]
Common species of fish in the river are Eurasian carp, northern pike and wels catfish. Among the rare species is the Amur bitterling.[4]