Back نهر اباتش (نهر) ARZ Aa (suba sa Nasod nga Swiss, lat 47,35, long 8,69) CEB Ustermer Aa German Ustermer Aa Esperanto Aabach Estonian رودخانه آباخ (گریفینسی) Persian Aa di Uster Italian Aabach LMO Ustermer Aa NN Aabach, Schweiz Swedish
| Aabach | |
|---|---|
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| Location | |
| Country | Switzerland |
| Physical characteristics | |
| Source | Pfäffikersee |
| Mouth | Greifensee |
• coordinates | 47°21′06″N 8°41′20″E / 47.3516°N 8.6888°E |
| Basin features | |
| Progression | Greifensee→ Glatt→ Rhine→ North Sea |
The Aabach (also Aa, or Ustermer Aa for disambiguation with the Mönchaltorfer Aa) is a minor river in the canton of Zürich, Switzerland. At a length of 11.2 kilometres (7.0 mi), it flows from Pfäffikersee to the Greifensee. Its valley is known as Aatal ("Aa Valley"), eponymous of the settlement Aathal.