Aa (Nethe)
| Aa | |
|---|---|
The Aa at Herste | |
| Location | |
| Country | Germany |
| State | North Rhine-Westphalia |
| Reference no. | DE: 4526 |
| Physical characteristics | |
| Source | |
| • location | On the east slope of the Eggegebirge, east of Altenbeken, above the Rehbergtunnel |
| • coordinates | 51°46′7″N 8°58′34″E / 51.76861°N 8.97611°E |
| • elevation | ca. 350 m above sea level (NN) |
| Mouth | |
• location | Southwest of Brakel into the Nethe |
• coordinates | 51°42′5″N 9°10′13″E / 51.70139°N 9.17028°E |
• elevation | approximate 133 m above sea level (NN) |
| Length | 20.6 km |
| Basin size | 80.153 km2 |
| Discharge | |
| • location | at Rustenhof gauge |
| • average | 1.41 m3/s |
| • minimum | Record low: 102 L/s (in 10.08.1996) Average low: 212 L/s |
| • maximum | Average high: 30.6 m3/s Record high: 71.2 m3/s (in 28.10.1998) |
| Basin features | |
| Progression | Nethe→ Weser→ North Sea |
The weak river dries out during a hot summer leaving behind the rubble of the creek floor. (5 August 2011) | |
The Aa is a 20.6 km long, orographic left tributary of the Nethe river in North Rhine-Westphalia, Germany. The Aa belongs as a tributary of the Nethe to the river system of the Weser.