Islay Hill
Viewed from the south. Righetti Hill (formerly Mine Hill), a minor peak, is seen to the left.
Highest point
Elevation783+ ft (239+ m) NAVD 88[1]
Coordinates35°14′44″N 120°37′21″W / 35.2455305°N 120.6223921°W / 35.2455305; -120.6223921[2]
Geography
LocationSan Luis Obispo County, California, U.S.
Parent rangeSanta Lucia Range
Topo mapArroyo Grande NE
Geology
Age of rock20 million years
Mountain typeVolcanic plug

Islay Hill is a volcanic cone, and is the southernmost of the nine volcanic mountains and hills that make up the Nine Sisters, located in the San Luis Obispo County of central California.

This chain of extinct, but possibly dormant volcanoes, the eight others volcanic plugs, stretches from Morro Bay southeast to Islay Hill, which is on the southeast side of San Luis Obispo (city).

References

  1. "Islay Hill, California". Peakbagger.com. Retrieved 2014-03-03.
  2. "Islay Hill". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2009-03-06.
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