Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Gengenbach (29% of total searches to Black Forest). The next most popular destinations are Baden-Baden (29%) and Freiburg im Breisgau (24%). Searches for hotels in Karlsruhe (19%) are also popular.
KAYAK users have found double rooms in Black Forest for as cheap as S$ 86 (Baiersbronn) in the last 3 days. The average price is S$ 276.