Islay Hill
Encyclopedia
Islay Hill is a volcanic cone
and is the southernmost of the nine major morros that make up the Nine Sisters
. This chain of extinct volcanoes stretches from Morro Bay in San Luis Obispo County, California
.
Volcanic cone
Volcanic cones are among the simplest volcanic formations. They are built by ejecta from a volcanic vent, piling up around the vent in the shape of a cone with a central crater. Volcanic cones are of different types, depending upon the nature and size of the fragments ejected during the eruption...
and is the southernmost of the nine major morros that make up the Nine Sisters
Nine Sisters
The Nine Sisters or the Morros are a chain of nine volcanic peaks and hills between Morro Bay and San Luis Obispo, California. They are popular with photographers and rock climbers. Their volcanic origin makes them of significant geological interest. They support a wide variety of plant, animal,...
. This chain of extinct volcanoes stretches from Morro Bay in San Luis Obispo County, California
San Luis Obispo County, California
San Luis Obispo County is a county located along the Pacific Ocean in the Central Coast of the U.S. state of California, between Los Angeles and the San Francisco Bay Area. As of the 2010 census its population was 269,637, up from 246,681 at the 2000 census...
.