To have the best experience in Sintra, Portugal, in 2026, you should aim to arrive at the Sintra Train Station by 8:00 AM or 8:30 AM. Most of the major palaces, including Pena Palace and Quinta da Regaleira, open their gates at 9:30 AM. By arriving early, you can be among the first in line for the 434 bus or a rideshare to the top of the hill, allowing you to enter Pena Palace before the massive tour groups arrive from Lisbon around 10:30 AM. In 2026, Pena Palace requires a timed entry ticket, so arriving in the town an hour before your slot is essential to account for the steep commute up the mountain. If you arrive after 11:00 AM, you will likely face long queues for transport and significantly higher crowd density, which can diminish the "fairy tale" atmosphere of the historic site.