Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Vinhais (39% of total searches to Tras-Os-Montes & Alto Douro). The next most popular destinations are Foz Tua (31%) and Outeiro (18%). Searches for hotels in Pinhao (12%) are also popular.
KAYAK users have found double rooms in Tras-Os-Montes & Alto Douro for as cheap as $26 (Bragança) in the last 3 days. The average price is $129.