Pilot Knob (Austin, Texas)

Pilot Knob
Pilot Knob rises out of the lowlands west of Cottonmouth Creek
Highest point
Coordinates30°9′44″N 97°42′22″W / 30.16222°N 97.70611°W / 30.16222; -97.70611
Geography
Topo mapUSGS
Geology
Rock agelate–Cretaceous Period
Volcanic arc/beltOuachita
Last eruption79–83 million years ago[1]

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.[1]

  1. ^ a b Cite error: The named reference UT was invoked but never defined (see the help page).