General Information
www.visitportugal.com/NR/exeres/80239D87-0F35-4F19-9585-3C19F725CD6B,frameless.htm

Regional Tourism Promotion Agency - www.portocvb.com 

City of Oporto-  www.visitporto.travel

Portocard - www.visitporto.travel/Visitar/Paginas/PortoCard/PortoCard.aspx

Public transportation in Oporto (route planner) - www.itinerarium.net/default.aspx?ul=pt-PT&tab=3 

Underground - www.metrodoporto.pt | Bus - www.stcp.pt 

Boat cruises on Douro river - www.visitporto.travel/Visitar/Paginas/Descobrir/Descobrir.aspx?AreaType=1&Area=-2

Port wine cellars - www.visitporto.travel/Visitar/Paginas/Descobrir/ListaVisit.aspx?AreaType=3&Area=7

Tours -  www.portotours.com