| Dreisam | |
|---|---|
 Freiburg im Breisgau downstream of the Schwabentor Bridge (August 2005) | |
 | |
| Location | |
| Country | Germany |
| State | Baden-Württemberg |
| Region | Black Forest |
| Districts | Breisgau-Hochschwarzwald and Emmendingen |
| Municipalities | |
| Physical characteristics | |
| Source confluence | Rotbach and Wagensteinbach |
| • location | Kirchzarten, Germany |
| • elevation | 377 m (1,237 ft) |
| Mouth | Elz |
• location | Riegel am Kaiserstuhl, Germany |
• elevation | 178 m (584 ft) |
| Length | 29 km (18 mi) |
| Basin size | 577 km2 (223 sq mi)[1] |
| Basin features | |
| Progression | Elz→ Rhine→ North Sea |
| Tributaries | |
| • left | Krumbach, Brugga |
| • right | Eschbach, Glotter |
The Dreisam (Celtic: *tragisamā, "the very fast one"[2]) is a 29 km long river (48.8 km including its source river Rotbach),[1] and a tributary of the Elz in the German state of Baden-Württemberg. The waters of the Dreisam feed the famous Freiburg Bächle runnels.
- ^ a b Map services of the Baden-Württemberg State Office for the Environment, Survey and Conservation (Landesanstalt für Umwelt, Messungen und Naturschutz Baden-Württemberg)
- ^ Maier, Bernhard (2003). Kleines Lexikon der Namen und Wörter keltischen Ursprungs. Munich: C.H. Beck OHG. p. 49. ISBN 3-406-49470-6.