In 2026, the most efficient way to reach the Castelo dos Mouros (Moorish Castle) in Sintra, Portugal, is via the 434 Scotturb tourist bus, which departs from the Sintra Train Station. After taking the 40-minute train from Lisbon’s Rossio or Oriente stations, the 434 bus provides a "hop-on-hop-off" loop that climbs the steep, winding hills to the castle entrance. Alternatively, for those seeking a scenic hike, the Vila Sassetti trail offers a rigorous but beautiful 45-minute uphill walk from the town center through lush forests. Using a private car is highly discouraged in 2026 due to extreme traffic restrictions and almost non-existent parking on the mountain. Ride-sharing apps like Uber or Bolt are available but can be restricted during peak hours. Once you reach the main gate, a short 5-minute walk through the woods leads you to the ancient ramparts, which offer some of the most spectacular panoramic views of the Sintra-Cascais Natural Park and the Atlantic Ocean.