Rockhounding locations in San Luis Obispo County
Atascadero ~ Petrified Whale Bone, Agate, Jasper, Marine Fossils (pectins, sanddollars, etc.)
Avila Beach ~ “Deedeeite”, arrowheads (in Avila Creek)
Big Sandy Wildlife Area (San Miguel) ~ Jasper, Marine Fossils, Coal
Big Sur Coast (Ragged Point-Lucia Pt.) ~Jade, Gold, Garnet, Rhodenite, Jasper, Serpentine
Cambria (Moonstone Beach/San Simeon Inlet) ~ Agate, Jasper, Chert, Amethyst, smallish Quartz Geodes, Cinnabar, arrowheads
Cayucos ~ Agate, Jasper, Mushroom Rhyolite (Biconoid Fragments)
Cuesta Ridge ~ Quartz Crystals, Geodes, Calcite Rhombohedrons, Chromite, exceptional slickenslide specimens
Highway 41 West Gorge ~ Jade, Chromite
Highway 46 Summit West ~ Biconoids, Geodes, Mushroom Rhyolite
Montana de Oro (Hazard Canyon/Spooner’s Cove) ~ Petrified Whale Bone, Agate, arrowheads
Nipomo Mesa ~ Nipomo Agate (Three varieties: Bean Field Agate, Sagenitic Agate, Marcasitic Agate), Marine Fossils, Ice Age Fossils
Rinconada Mine (between Santa Margarita & Pozo) ~ Cinnabar, Quartz Crystals
See Canyon (Irish Hills) ~ Brecciated Jasper
Shell Creek (Hwy. 58 area) Marine Fossils (pectins, oysters, sanddollars, barnacles, snails, etc.), arrowheads
Soda Lake (Carrizo Plain Nat’l. Mon.) ~ Hanksite, Thenardite
Templeton ~ Biconoids, Petrified Whale Bone, Shark Teeth, arrowheads