Bay Area/ San Francisco

Guerneville Cliffhanger As Sliding Hillside Puts River Homes On Alert

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Published on February 24, 2026
Guerneville Cliffhanger As Sliding Hillside Puts River Homes On AlertSource: Sonoma County Sheriff’s Office

An evacuation warning was issued yesterday for a tight-knit Guerneville neighborhood after county officials flagged unstable slope conditions that could trigger a landslide and falling trees. The alert covers homes on a steep hillside above the Russian River, where slumping soil has exposed foundations and fresh scarping, and residents were told to be ready to leave fast if the ground starts moving again.

Area Under Warning

The Sonoma County Sheriff’s Office said the warning applies to both sides of Neeley Road between River Lane and Montesano Avenue and the east side of Orchard Avenue between River Lane and Montesano Avenue, putting multiple homes in the potential slide path, according to KRON4. Officials released striking photos of a house now sitting at the edge of a recent slope failure, a visual reminder of how little margin some properties have. People in the affected blocks were urged to keep an eye out for moving dirt, new ground cracks and leaning trees.

Officials' Advice

County officials asked residents in the warned area to pull together essential medications, identification and important documents and to map out at least two ways out of the neighborhood in case one route is blocked, as reported by KTVU. The sheriff’s office also urged neighbors to look out for one another, especially anyone who might have trouble getting ready to leave on short notice. “Remain vigilant and be prepared to evacuate if conditions worsen,” officials wrote in the advisory.

How To Get Info

Anyone who feels unsafe was reminded they can leave immediately and do not have to wait for a formal evacuation order, and residents who need updates or assistance were directed to call 2-1-1, according to coverage by SFGATE. The advisory also pointed people to the county’s interactive incident map for the latest zone status. As of the initial alert, officials had not issued any mandatory evacuation orders.

Why This Matters

The Russian River corridor has a long history of flooding and slope failures during winter storms, and soaked soils and burn-scarred hillsides can leave North Bay terrain especially vulnerable to slides, the Press Democrat reported. That track record means even modest bursts of erosion can quickly threaten foundations and roadways, which can complicate evacuations when the clock is ticking. Local emergency managers have repeatedly urged residents to learn their evacuation zones and keep go bags ready because conditions can change with little warning.

How To Prepare Now

Per guidance on the Sonoma County Sheriff’s Office website, residents are encouraged to assemble a go bag with medications, important documents and pet supplies, register any gate codes with first responders and sign up for SoCoAlert or Nixle to get real-time notices. The sheriff’s office also keeps evacuation zone maps and step-by-step instructions online so residents can confirm their zone and plan multiple escape routes in advance.