Dão red wines come from the Dão Valley in Portugal, known for its diverse terroir and mountainous landscape. The region's climate, characterized by warm summers and cool nights, helps grapes develop rich flavors while maintaining acidity. The primary grape varieties used in Dão red wines include Touriga Nacional, Tinta Roriz, and Jaen. These wines are typically medium to full-bodied, showcasing notes of dark fruits, spices, and earthy undertones. They often age well, developing complexity over time, making them a favorite among wine enthusiasts.