Get in touch with your spiritual side and mingle with worshippers at Penafiel Church. Sit in quiet reflection outside for a while or ask if you're able to join the next service.
You'll soon find out why this Penafiel house of prayer is popular with travelers. If you're searching for other things to keep you busy, Magikland, Quinta da Aveleda, and Aveleda Vineyards are in this area as well. They won't take very long to reach from Penafiel Church.