| Cerro Beltran(expression, name, volcano, geology) |
| Cerro Chela(expression, name, volcano, geology) |
| Cerro Guacha(expression, name, volcano, geology) |
| Cerro Panizos(expression, name, volcano, geology) |
| Cerro Redondo(expression, name, volcano, geology) |
| Cerro de las Cuevas(expression, name, volcano, geology) |
| Cerros Bravos-Barros Negros(expression, name, volcano, geology) |
| Chipmunk Mountain(expression, name, volcano, geology) |
| City of Rocks State Park(expression, name, volcano, geology) |
| Clisbako Caldera Complex(expression, name, volcano, geology) |
| Coast Range Arc(expression, name, volcano, geology) |
| Colahan Seamount(expression, name, volcano, geology) |
| Coquihalla Mountain(expression, name, volcano, geology) |
| Cretaceous volcano(expression, name, volcano, geology) |
| Crevasse Crag(expression, name, volcano, geology) |
| Crowsnest Formation(expression, name, volcano, geology) |
| Daikakuji Guyot(expression, name, volcano, geology) |
| Deccan Traps(expression, name, volcano, geology) |
| Devastator Peak(expression, name, volcano, geology) |
| Dona Ines(expression, name, volcano, geology) |