Aveiro, Paiva Walkways, and Arouca 516 Footbridge Tour from Porto Douro Valley Wine Tour with Lunch Tastings & River Cruise from Porto Porto Walking Tour, Helicopter Ride and River Cruise River Douro 6 Bridges Cruise Tour Bintan Half-Day Tour Doi Suthep and Wat Pha Lat Sunrise Tour – Half Day Porto, Nazare and Obidos Day Tour from Lisbon Fatima and Coimbra Day Tour from Porto Porto City Highlights Tour Porto Douro Valley Vineyards Tour with Lunch