Geology

Learn more about the rocks and minerals that make up our land.

Jackson Lake is a sag pond formed due to the San Andreas Fault underneath.

These large sandstone formations were once known as the Rocky Candy Mountains.

There are several great places to look for rocks in the Tri-Community!

The North American and Pacific plate boundaries runs through Wrightwood.

These fault block mountains lie between the Los Angeles Basin and the Mojave Desert.

The barren area at the top of Heath Canyon was caused by a 1941 mudslide.