| Feature Name | Latitude | Longitude | Diameter (km) | Origin |
|---|
| Avalon Chasma | 39.6 | -147.8 | na | Arthurian paradise. |
| Camelot Chasma | -38.4 | -27.6 | na | Home of the Round Table assemblage. |
| Oeta Chasma | 32.2 | -117.5 | na | Shook by a Titan in the war between Titans and Olympians. |
| Ossa Chasma | -20.6 | 52.2 | na | Mt. Pelion piled on top of it in war between Titans and Gods. |
| Pangea Chasma | -22.6 | 11.2 | na | Picked up by a Titan in the war with the gods. |
| Pelion Chasma | -24 | 111.7 | na | Mountain piled up with Mt. Ossa in war with gods. |
| Tintagil Chasma | -49.7 | 155 | na | Home of Igraine, Arthur's mother. |