Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Porto (93% of total searches to Douro). The next most popular destinations are Vila Nova de Gaia (4%) and Maia (Porto) (2%). Searches for hotels in Matosinhos (1%) are also popular.
KAYAK users have found double rooms in Douro for as cheap as £14 (Porto) in the last 3 days. The average price is £141.