This compilation of synonyms and selected subsidiary features of Láscar may not be comprehensive. Subsidiary features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. A name that appears in brackets is preceded by its synonym. In some cases additional feature type, location, or elevation details are provided.
| Name | Type | Elevation | Latitude | Longitude |
| LASCAR | Stratovolcanoes | 5592 m | 23.37°S | 67.73°W |
| Lava domes | ||||
| Synonyms | ||||
| HLASCAR | ||||
| ILLASCAR | ||||
| KAR, LAS | ||||
| LASKAR | ||||
| TOCONADO (TOCONAO) | ||||
| Cones | ||||
| AGUAS CALIENTES | Stratovolcano | 5924 m | 23.37°S | 67.68°W |
| SIMBA, VOLCAN [AGUAS CALIENTES] | Stratovolcano | 5924 m | 23.37°S | 67.68°W |