I have been doing research and it seems that best way to go around the castles is the Bus 434. However, I can't find a map or description of the stops. I would like to visit Quinta Da Regaleira (we HAVE to see this place), Palacio National da Pena, and Castelo Dos Mouros at a minimum. Does the bus stop on all these 3 places?
In which order would you recommend to visit them to save time?
Thank you for your help!!