Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Lençóis (84% of total searches to Chapada Diamantina National Park). The next most popular destinations are Mucugê (13%) and Palmeiras (1%). Searches for hotels in Passagem (1%) are also popular.
KAYAK users have found double rooms in Chapada Diamantina National Park for as cheap as $16 (Ibicoara) in the last 3 days. The average price is $75.