Where are the Nine Sisters in San Luis Obispo?

The Nine Sisters, also known as the “Morros” (a Spanish word meaning mountains) are a chain of nine volcanic peaks and hills between San Luis Obispo and Morro Bay. They provide the most iconic vistas in SLO County. In addition to their popular views, the Nine Sisters or the Morros are a geological oddity as well.

Where did the Nine Sisters volcano come from?

The peaks were created more than 20 million years ago during the Miocene Epoch of the Neogene Period, as volcanic plugs of magma which welled up and solidified inside softer rock which has since eroded away. Two of the plugs are in Morro Bay State Park.

Where are the Nine Sisters mountains in California?

The Nine Sisters or the Morros are a chain of nine volcanic mountains and hills in western San Luis Obispo County, Southern California.

What kind of flora are the Nine Sisters?

The Nine Sisters, being less accessible to human intrusions, support a wide variety of Coastal sage scrub and California oak woodlands flora, and of birds and other fauna.

This chain starts with the oldest, Islay Peak, back by the San Luis Obispo airport. Not all of the peaks are named on maps, nor are there just nine of them, but “nine” or “seven” sisters sounds better than “twenty-three sisters”. These peaks really define the area in a special way.

Where are the nine sisters and Morro Rock?

This week’s Photo of the Week was taken of the chain of peaks that runs from the City of San Luis Obispo and ends at Morro Rock. This chain, called the “Nine Sisters” or sometimes the “Seven Sisters”, is a group of volcanic plugs. This is what’s left of an extinct volcano when its ash and lava are eroded away.

Why are the nine sisters called the Seven Sisters?

This chain, called the “Nine Sisters” or sometimes the “Seven Sisters”, is a group of volcanic plugs. This is what’s left of an extinct volcano when its ash and lava are eroded away. This is the magma that was left in the throat of the volcano when its fires went out.