Sintra is generally a safe place, even during the night. It's a popular tourist destination and the local police maintain a solid presence. However, like anywhere, it's important to stay vigilant, especially when walking alone. Avoid deserted areas and always be aware of your surroundings.

Sintra is widely considered an exceptionally safe destination for tourists in 2026, consistent with Portugal's ranking as one of the most peaceful countries in the world. Violent crime is extremely rare; however, like any high-volume UNESCO World Heritage site, the primary concern is petty theft and pickpocketing. Thieves often target crowded areas such as the Sintra Train Station, the 434 tourist bus, and the queues outside Pena Palace. Another specific risk in Sintra involves theft from rental cars parked in isolated forest turn-offs near the Moorish Castle or Quinta da Regaleira; never leave valuables visible in your vehicle. For solo travelers and women, the town is safe to walk in at night, though the hilly, forested roads are poorly lit, so staying in the well-populated historic center is advised. As long as you maintain "situational awareness" and keep your zippers closed in tight crowds, you can enjoy the fairy-tale atmosphere of Sintra with total peace of mind and minimal security concerns.