Historic and legendary sites to explore in San Luis Obispo County

San Luis Obispo County offers unique spots where local history and legend meet. Mission San Miguel tells a tragic tale of 19th-century murders, with visitors now claiming to see ghosts and unexplained phenomena. The mysterious stone building on Pismo Street, once a city power source, intrigues residents with its uncertain past and new development plans.

Cuesta Grade’s roads were shaped by activism, as locals fought to save Cuesta Canyon from dramatic changes—stories that now blend memory and advocacy. Finally, the coastal stretch near Morro Bay remembers lost hotels, World War II training, and dramatic rescues, showing how fact and folklore shape SLO’s sense of place.

The largest fire in San Luis Obispo history at the time, according to the Daily Telegram on Aug. 10, 1929, was the 50,000-acre Rinconada-Lopez Canyon fire. It only merited second deck headlines in the paper with the stock market rising and falling on the way to a record crash and stories about the travels of the Graf Zeppelin. By San Luis Obispo Daily Telegram

NO. 1: WHAT SPARKED ONE OF SLO COUNTY’S LARGEST-EVER WILDFIRES? A TRACTOR ON SANTA MARGARITA RANCH

The 1929 fire scorched nearly 50,000 acres in rural San Luis Obispo County. | Published June 22, 2024 | Read Full Story by David Middlecamp

Harold Miossi fought to prevent a Cuesta Grade road expansion from paving over much of his ranch in the 1960s. He is seen here at a Nov. 4, 1993 interview. By Robert Dyer

NO. 2: HOW SLO ACTIVIST SAVED CUESTA CANYON FROM BEING ‘BURIED ALIVE’ BY HIGHWAY PROJECT. ‘WHY NOT?’

“When I saw the plans, I just sat there in total disbelief,” he later recounted. | Published July 13, 2024 | Read Full Story by David Middlecamp

The Adelaida Cemetery in rural Paso Robles is reportedly haunted by the ghost of Charlotte Sitton, who lost a child to diptheria in the late 1800s. Sitton’s ghost is called the Pink Lady. By Joe Johnston

NO. 3: WHAT ARE SLO COUNTY’S MOST HAUNTED PLACES? CHECK OUT THESE 7 SPOOKY SPOTS

Tales of spirits spark from grisly murders at a local mission and phantom phone calls at a historic hotel. | Published October 16, 2024 | Read Full Story by Hannah Poukish

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After an 1879 fire destroyed the first buildings at the San Luis Obispo gas works, a new stone building replaced it near Pismo and Walker Streets. By David Middlecamp

NO. 4: 120-YEAR-OLD SLO BUILDING ONCE PROVIDED POWER TO ENTIRE CITY. NOW A DEVELOPER HAS NEW PLANS

“I’ve just seen that building forever,” a reader told The Tribune. “I always wondered what it was.” | Published March 23, 2025 | Read Full Story by Hannah Poukish

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This aerial photo shows PG&E power plant was still in operation and had fuel oil tanks in 1984. This was before the boardwalk was built to Morro Rock. Also seen harbor mouth with jetties, and Highway 1 in foreground. Reporter Brooks Townes took a flight over coastal areas from Morro Bay to Avila Beach on Feb. 22, 1984.

NO. 5: SOAR OVER SLO COUNTY IN AERIAL PHOTOS OF COAST FROM MORE THAN 40 YEARS AGO

The photos show Morro Bay, Port San Luis and even Diablo Canyon ahead of its first official year of operation. | Published April 5, 2025 | Read Full Story by David Middlecamp

The summary above was drafted with the help of AI tools and edited by journalists in our News division. All stories listed were reported, written and edited by McClatchy journalists.