| elevation (m) | 4 |
| man_made | survey_point |
| material | brass |
| name | Base Sur |
| Note | Approximate location and elevation based on satellite imagery (primary BingSat), OpenSRTM and OpenTopo map. |
| place type | Localities |
| ref | Base Sur |
| source:id | 3451i El Bluff - USGS OpenTopo map Nicaragua 1:50k Series E751 no E751X34511 (1955) |
| source:imagery | BingSat, ESRI, and other open satellite imagery available to OSM as of 2023 |
| source:url | https://maps.lib.utexas.edu/maps/topo/nicaragua/ |