Join upcoming events being held in Samalayuca. Samalayuca is a small city in the Mexican state of Chihuahua, known for its stunning sand dunes, the Sámalayuca Dunes, which are the largest in Mexico and a popular destination for desert adventures, while the city itself offers a taste of authentic Mexican culture and history with its colonial-style architecture, local cuisine, and annual festivals like the Fiesta de San Lorenzo.