Ramazosa
- Name: Sistema Ramazosa (including T91 Lower White House Mine, T91A Torca Boulderosa, T105 Italianos, R.C.A.6 & T144 Rosario)
- Area: Minas de Mazarrasa
- X: 0360730 Y: 4786020 Z: 1711m (OSM link)
- Length: >3km
- Depth -313m (Boulderosa Terminal Chamber)