Pilot Knob (Austin, Texas)
| Pilot Knob | |
|---|---|
Pilot Knob rises out of the lowlands west of Cottonmouth Creek | |
| Highest point | |
| Coordinates | 30°9′44″N 97°42′22″W / 30.16222°N 97.70611°W |
| Geography | |
| Topo map | USGS |
| Geology | |
| Rock age | late–Cretaceous Period |
| Volcanic arc/belt | Ouachita |
| Last eruption | 79–83 million years ago |
Pilot Knob is the eroded core of an extinct volcano located in Austin, Texas, United States. It is near Austin–Bergstrom International Airport and McKinney Falls State Park.