Plan your trip from Barroselas to Entroncamento along the Linha do Norte. This route includes notable stops such as Oporto, Aveiro, and Coimbra, where you'll encounter historical sites and scenic riverside views. The transition from the rugged landscapes of northern Portugal to the flat plains around Entroncamento showcases the diversity of the countryside. Finally, as you approach Entroncamento, a key railway hub, you'll witness the junction of several major lines, representing Portugal's transport network.