You don't have to be of strong faith to appreciate the serene atmosphere of Igreja de Nossa Senhora dos Remédios. Check when the next service is scheduled or when it's open for general viewing.
You'll have no end of sightseeing choices when visiting Lamego. Igreja de Nossa Senhora dos Remédios is an ideal place to begin here, but there are many other interesting spots to check out. Dourocaves Winery, Quinta de Santa Eufemia, and Douro Museum are not far from the principal church and will round out your day nicely.