Caño Negro DistrictCaño Negro is a district of the Los Chiles canton, in the Alajuela province of Costa Rica.GeographyCaño Negro has an area of km2 and an elevation of metres.DemographicsFor the 2011 census, Caño Negro had a population of inhabitants.TransportationRoad transportationThe district is covered by the following road routes: National Route 138 National Route 139