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Intense Rains Cause Landslide in Serra do Rio do Rastro, Block SC 390, Mobilize Highway Police and Civil Defense, Suspend Classes and Services in Serra Catarinense, and Keep Drivers on High Alert for New Landslides and Floods in the Region During the Morning of This Rainy Tuesday
On the morning of this Tuesday, December 9, 2025, the intense rains hitting Santa Catarina caused a landslide in Serra do Rio do Rastro, blocked SC 390, and put drivers at risk in one of the most sensitive sections of the Santa Catarina road network, known for its steep terrain and vulnerability to landslides. The road was even closed, and despite a partial reopening, traffic remains subject to weather conditions and constant monitoring by security agencies.
The Highway Police, from the Bom Jardim da Serra station, and teams from the Department of Infrastructure were called to operate in the stretch near kilometer 407, assessing new instabilities and organizing traffic on a half-lane. Meanwhile, the state and municipal Civil Defense raised the alert level throughout Serra Catarinense, leading to the suspension of classes, resizing of public services, and implementation of preventive protocols in areas susceptible to flooding and landslides.
Landslide in Serra do Rio do Rastro Changes Traffic on SC 390
The Serra do Rio do Rastro once again demonstrated its vulnerability during episodes of heavy rain.
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According to the Highway Police, SC 390 was reduced to half-lane after the landslide registered on the morning of this Tuesday, requiring alternating traffic operation and a permanent presence of patrols in the area.
Machines from the Department of Infrastructure were mobilized to remove the material dislodged from the slope and restore the minimum circulation conditions.
Even with the emergency cleanup, the official guidance is clear: avoid traveling through Serra do Rio do Rastro while the alert for intense rain and the risk of new landslides remains active, especially during times of greater instability.
Action of Highway Police and Civil Defense in Serra Catarinense
The command of the highway post of the Serra do Rio do Rastro reinforced the message of caution, asking drivers to double their attention, reduce speed, maintain a safe distance between vehicles, and avoid driving at night during heavy rain.
The combination of wet roads, fog, and the possibility of new points of landslide significantly increases the risk of accidents.
Meanwhile, the State Civil Defense issued alerts for the entire Serra Catarinense, focusing on hillside areas and valley bottoms.
In Lages, the municipal coordination monitors points susceptible to landslides and flooding, conducting real-time inspections and keeping teams on standby for preventive removals, should signs of structural instability be identified in residences or urban roads.
In São Joaquim, the municipal Civil Defense issued a specific alert for storms, advising the population to seek sheltered places during storms, avoid staying close to trees, signs, walls, and power poles, and above all, never cross flooded streets or submerged bridges, even when the water appears shallow.
The goal is to reduce the number of occurrences involving vehicle drag and falls on structures compromised by the force of the runoff.
Classes and Services Suspended in Cities of Serra Catarinense
The scenario of hydrological and geological risk in the region led to a chain reaction in the service network.
In São Joaquim, classes were suspended in both state and municipal networks, with the adoption of remote activities in the municipal system as a temporary alternative.
This measure seeks to avoid the travel of students and professionals under adverse conditions in the Serra do Rio do Rastro and access highways, at a time when the priority is to preserve the physical integrity of the population.
In Lages, the direction of the district court determined the suspension of in-person service this Tuesday.
The hearings were rescheduled, converted to remote format, or canceled, depending on each judge’s decision, as a means to reduce the exposure of staff, lawyers, and parties to the risks of travel during heavy rain and possible interruptions of urban roads and connecting highways.
The combination of class suspensions, adjustments in judicial operations, and enhanced monitoring of road infrastructure shows that the rains on this Tuesday impacted not only traffic in the Serra do Rio do Rastro but also the organization of daily life throughout Serra Catarinense.
Risk Continues and Drivers Should Remain Extra Vigilant
Although the Highway Police reported the reopening of SC 390 after the initial removal of material from the landslide, the stretch remains under permanent attention conditions.
The saturated soil, typical of prolonged rain episodes, increases the probability of new localized landslides, rockfalls, and the rapid emergence of flooding points in curves and areas with insufficient drainage.
In scenarios like this, the technical recommendation is that only truly necessary trips be maintained.
Those who need to use the Serra do Rio do Rastro should consult the official channels of the Civil Defense and Highway Police beforehand, adjust travel plans, avoid times of greater instability, and remain attentive to partial blockages or possible total lane closures.
The sequence of events this Tuesday reinforces that Serra Catarinense remains highly sensitive to episodes of intense rain, which requires planning, quality information, and respect for the authorities’ guidance to reduce damage and preserve lives.
Have you ever had to change plans or cancel a trip due to heavy rain, landslides, or roadblocks like those on Serra do Rio do Rastro?
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