Price: 90 €/night (breakfast incl.)
Address: Alt-himmelgeist 25
Notes: Only available until the 2nd!
URL: http://www.uni-duesseldorf.de/home/universitaet/strukturen/tagungs-und-gaestehaeuser/gaestehaeuser/schloss-mickeln.html

Distance from HDU: 8,4 km (1h35 mins)
Public transportation: Bus 835 (Comeniusplatz ) from ‘Alt-Himmelgeist’ to ‘Kirchplatz’, then change to 703 (Gerresheim)/706 (Merowingerplatz)/712 (Ratingen Mitte)/713 (Holthausen) to ‘Jan-Wellem-Platz’

Distance from ULB: 3,2 km (39 mins)
Public transportation: Bus 835 (Comeniusplatz) from ‘Alt Himmelgeist’ to ‘Universit„t Mitte’