| Camp Hill(expression, name, volcano, geology, north) |
| Caribou Tuya(expression, name, volcano, geology, north) |
| Cartoona Ridge(expression, name, volcano, geology, north) |
| Castle Rock(expression, name, volcano, geology, north) |
| Cerro Chela(expression, name, volcano, geology) |
| Cerro de las Cuevas(expression, name, volcano, geology) |
| Chakatah Creek Peak(expression, name, volcano, geology, north) |
| Chikoida Mountain(expression, name, volcano, geology, north) |
| Cinder Cliff(expression, name, volcano, geology, north) |
| Cinder Mountain(expression, name, volcano, geology, north) |
| Clinton Creek(expression, name, volcano, geology, north) |
| Cocoa Crater(expression, name, volcano, geology, north) |
| Coffee Crater(expression, name, volcano, geology, north) |
| Cone Glacier Volcano(expression, name, volcano, geology, north) |
| Cottonwood Peak(expression, name, volcano, geology, north) |
| Cracker Creek Cone(expression, name, volcano, geology, north) |
| Crow Lagoon(expression, name, volcano, geology, north) |
| Dark Mountain(expression, name, volcano, geology, north) |
| Desolation Lava Field(expression, name, volcano, geology, north) |
| Devastator Peak(expression, name, volcano, geology) |