The Special Administrative Unit of the Network of National Natural Parks of Colombia (; PNN) is Colombian central agency that manages all the national parks and protected areas. References Government agencies established in 1977 Ministry of Environment and Sustainable Development (Colombia) de:Naturparks in Kolumbien fr:Aires protégées en Colombie lt:Sąrašas:Kolumbijos nacionaliniai parkai qu:Kulumbyapi mama llaqta parkikuna sallqa pachap risirwakunapas