Schlosshotel Lerbach, Lerbacher Weg, D-51465 Bergisch Gladbach
T: +49 22 02 20 40; www.schlosshotel-lerbach.com
The Schlosshotel is an ivy-clad castle set in parkland with an indoor swimming pool. Treatments include algae, mud and water and products from Lancaster, Sisley and La Prairie. The restaurant serves gourmet and diet menus.