The ruines of Mulva
The ruines of Mulva are not within the Nature Park, but yes, inside the Sierra Norte and they are wurth visiting:
Municipium Flavium Muniguense Munigua
Villanueva del Río y Minas
Opening hours:
Tuesday tu Sunday: from 9 until 14 hours
Closed on Monday
Information:
Delegación Provincial de la Consejería de Cultura
c/ Castelar, 22 - Sevilla - Telephone: (0034) 954 55 99 00
Town Hall of Villanueva del Río y Minas
telephone (0034) 954 74 80 36