The Serra de Sintra is a mountain range located near the town of Sintra in Portugal. It is known for its lush forests, unique rock formations, and diverse wildlife. The area is a UNESCO World Heritage Site, recognized for its cultural significance and natural beauty. The range features several notable landmarks, including the Pena Palace and the Moorish Castle. These historical sites attract many visitors, offering stunning views of the surrounding landscape. The Serra de Sintra is also popular for hiking and outdoor activities, making it a favorite destination for nature lovers and tourists alike.