Concó
| Concó | |
|---|---|
| Location | |
| Country | Hungary | 
| Counties | Fejér and Komárom-Esztergom | 
| Towns & villages | |
| Physical characteristics | |
| Source | Bakony range, Vértes Hills | 
| Mouth | Confluence with the Danube | 
|  • coordinates | 47°44′37″N 18°00′01″E / 47.74361°N 18.00028°E | 
| Length | 49 km (30 mi) | 
| Basin size | 498 km2 (192 sq mi) | 
| Discharge | |
| • location | Ács, Komárom-Esztergom County | 
| • average | 20.6 m3/s (730 cu ft/s) | 
| Basin features | |
| Progression | Danube→ Black Sea | 
| Tributaries | |
| • left | Csépi-ér, Vékony-ér | 
| • right | Saliházi-árok, Kisbéri-ér, Battyáni-ér, Tóér at Nagyigmánd, Haj-patak at Kisiginánd | 
Concó is a river in northern Hungary, a tributary of the Danube. It rises in Fejér County and enters the Danube in Komárom-Esztergom County near the city of Komárom.