Šumera
| Šumera | |
|---|---|
Šumera in the Lančiūnava-Šventybrastis Forest | |
| Location | |
| Country | Lithuania |
| Region | Kėdainiai district municipality, Kaunas County |
| Physical characteristics | |
| Source | |
| • location | Dargužiai village surroundings |
| Mouth | Obelis |
• coordinates | 55°17′06″N 24°11′19″E / 55.2851°N 24.1886°E |
| Length | 26.2 km (16.3 mi) |
| Basin size | 89 km2 (34 sq mi) |
| Discharge | |
| • average | 0.45 m³/s |
| Basin features | |
| Progression | Obelis→ Nevėžis→ Neman→ Baltic Sea |
| Tributaries | |
| • left | Juodupis, Ringa |
The Šumera is a river in the Kėdainiai district municipality, Kaunas County, central Lithuania. It flows for 26.2 kilometres (16.3 mi) and has a basin area of 89 km2 (34 sq mi). The river flows into the Obelis (from the right side), a tributary of the Nevėžis, which is in turn a tributary of the Neman.
The Šumera starts nearby former Dargužiai village and flows mostly southwards through agriculture lands and the Lančiūnava-Šventybrastis Forest. It meets the Obelis in Pašumerys village.
The name Šumera (or Šiumera) is of obscure origin, maybe derived from Lithuanian Germanism šiumas ('foam, decoction').