| Ilfis | |
|---|---|
&sq=Envato&lang=en&file=File:Ilfis_en_Langau_en_Emme-Valo_078.jpg) Ilfis in Langnau im Emmental, canton of Bern, Switzerland | |
 | |
| Location | |
| Country | Switzerland |
| Physical characteristics | |
| Source | |
| • location | Schrattenfluh |
| • coordinates | 46°50′20″N 7°57′22″E / 46.839°N 7.956°E |
| • elevation | 1,600 m (5,200 ft) |
| Mouth | |
• location | Emme (Langnau im Emmental/Lauperswil) |
• coordinates | 46°57′02″N 7°45′01″E / 46.9506°N 7.7504°E |
• elevation | 645 m (2,116 ft) |
| Length | 21.5 km (13.4 mi) |
| Basin size | 188 km2 (73 sq mi) |
| Basin features | |
| Progression | Emme→ Aare→ Rhine→ North Sea |
| Tributaries | |
| • left | Schonbach, Wittenmossgraben, Schärligbach, Steinbach, Chrümpelgraben, Ortbach, Teufenbachgraben, Ramserengraben, Mülebach |
| • right | Hilfernbach, Staldegrabe, Rämisbach, Eschlissbach, Türrenbachgrabe, Hämelbach, Trubbach, Gohl, Frittenbach |
The Ilfis (in the local dialect: [(d̥) ˈʏu̯fiz̥/ˈɪu̯fiz̥]) is a Swiss river in the cantons of Bern and Lucerne. It runs through the Entlebuch and upper Emmental regions before joining the Emme.