See the scope of Northern Portugal on this day trip from Porto to Régua by train and boat. Begin your day with a scenic train trip from Porto. As you glide along the tracks, watch out the window as the landscape transforms from urban to rural. Spend the day admiring the valley’s terraced vineyards, mingling with locals and enjoying lunch at a traditional Portuguese restaurant. Then, admire the views from a boat as you cruise back to Porto on the Douro River.