| name | El Castillo Sur |
| Note | Approximate location and elevation based on OpenSatellite imagery, OpenSRTM Contours and OpenTopo maps. |
| place type | Hamlets |
| Short name | Castillo Sur |
| source:id | 3055iv Presa El Mancotal - USGS OpenTopo map Series E751 Nicaragua 1:50k Nº E751X30554 (1960) |
| source:imagery | BingSat, ESRI, and other open satellite imagery available to OSM as of 2024 |
| source:url | https://maps.lib.utexas.edu/maps/topo/nicaragua/ |