Bad Karlshafen
| Bad Karlshafen   | |
|---|---|
| Bad Karlshafen | |
| Location of Bad Karlshafen   within Kassel   district | |
| Coordinates: 51°38′N 09°27′E / 51.633°N 9.450°E | |
| Country | Germany | 
| State | Hesse | 
| Admin. region | Kassel | 
| District | Kassel | 
| Government | |
| • Mayor (2023–29) | Marcus Dittrich (Ind.) | 
| Area | |
|  • Total | 14.85 km2 (5.73 sq mi) | 
| Elevation | 151 m (495 ft) | 
| Population  (2023-12-31) | |
|  • Total | 3,408 | 
| • Density | 230/km2 (590/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 34385 | 
| Dialling codes | 05672 | 
| Vehicle registration | KS | 
| Website | www.bad-karlshafen.de | 
Bad Karlshafen (German pronunciation: [baːt kaʁlsˈhaːfn̩] ⓘ) is a baroque, thermal salt spa town in the district of Kassel, in Hesse, Germany. It has 2300 inhabitants in the main ward of Bad Karlshafen, and a further 1900 in the medieval village of Helmarshausen. It is situated at the confluence of the Diemel and Weser rivers, 15 km south of Höxter, and 37 km north of Kassel. In the town is a tripoint where three states meet: Hesse, Lower Saxony and North Rhine-Westphalia.