Local

Long stretch of Highway 41 in SLO County closed due to ‘major rockslide’

A long section of Highway 41 on the way to Fresno in northern San Luis Obispo County was closed Monday morning after a rockslide late Sunday night.

The roadway remained closed from north of the Cholame Y interchange to Highway 33 due to a “major rockslide,” the California Highway Patrol’s Templeton office posted on X.

Northbound traffic from Paso Robles was rerouted onto Highway 46 before being detoured back onto Highway 33 while the closure is in effect, according to the CHP.

A rock slide closed Highway 41 between the Cholame Y and Reef Station on Dec. 29, 2025, forcing a detour on Highways 46 and 33.
A rock slide closed Highway 41 between the Cholame Y and Reef Station on Dec. 29, 2025, forcing a detour on Highways 46 and 33. Caltrans

The detour will add about 30 extra minutes of travel time, Caltrans said on X.

The roadway was originally estimated to be reopened around 8 a.m. Monday, but as of 7:50 a.m., the highway will now “remain closed for an unknown duration,” the agency said in a social media post.

“Thank you for your patience and cooperation,” the CHP said.

A rockslide caused a long stretch of Highway 41 to close. The roadway was shut down from north of the Cholame Y interchange to Highway 33 on Dec. 29, 2025.
A rockslide caused a long stretch of Highway 41 to close. The roadway was shut down from north of the Cholame Y interchange to Highway 33 on Dec. 29, 2025. Caltrans District 5

Rock slide on Cuesta Grade

On Sunday night, several boulders also tumbled down onto Highway 101 over the Cuesta Grade, closing two lanes.

According to the CHP Traffic Information Page, about five boulders fell into the slow lane.

They had been cleared by Monday morning.

This story was originally published December 29, 2025 at 9:08 AM.

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Hannah Poukish
The Tribune
Hannah Poukish covers San Luis Obispo County as The Tribune’s government reporter. She previously reported and produced stories for The Sacramento Bee, CNN, Spectrum News and The Mercury News in San Jose. She graduated from Stanford University with a master’s degree in journalism. 
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