Through the rolling hills of Alto Alentejo, into the deep river valleys of the Douro and along the refreshing beach of the Atlantic Coast, cycling trails abound to Portugal. But with so much to choose from, it can be tough to choose where to go in Portugal on a bike tour (not such a bad problem to have, in our opinion!). So if you’re wondering which region is the best to explore on two wheels, keep reading below for our personal favorites: