The biggest and best-known is Patr?­cio and Gouveia Sucessores, (Rua do Visconde de Anadia, 34; Tel. 291/222 723); it offers tours on weekdays.
You can tour on all weekdays throughout the year. 
mnli hypothesis: You can tour on all weekdays throughout the year.  premise: The biggest and best-known is Patr?­cio and Gouveia Sucessores, (Rua do Visconde de Anadia, 34; Tel. 291/222 723); it offers tours on weekdays.