Los Negritos de San Blas de Montehermoso Activity · Montehermoso, Valle del Alagón, Cáceres Tradition of Los Negritos de San Blas, declared a Fiesta de Interés Turístico Regional (Festival of Regional Tourist Interest); the festivities of Saint Anthony and Saint Blaise are documented as early as 1575. Photo: Montehermoso-spain (Public domain) What to see and do in Montehermoso