Huallaga is one of ten provinces of the San Martín Region in northern Peru.Van Dun, M. (2009). Cocaleros: Violence, drugs and social mobilization in the post-conflict Upper Huallaga Valley, Peru. Ámsterdam: Rozenberg Publishers.
Districts Saposoa Alto Saposoa El Eslabón Piscoyacu Sacanche Tingo de Saposoa
References
See also Huallaga Valley Huallaga River