Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Winterberg (54% of total searches to Sauerland). The next most popular destinations are Medebach (23%) and Siegen (14%). Searches for hotels in Hagen (9%) are also popular.
KAYAK users have found double rooms in Sauerland for as cheap as $19 (Bad Arolsen) in the last 3 days. The average price is $145.