Flood Risk in Kosciuszko National Park, NSW: 2026 Assessment

Kosciuszko National Park, New South Wales· UNKNOWN
Kosciuszko National Park has a moderate risk of flooding, primarily due to heavy rainfall and snowmelt in mountainous areas. Riverine flooding can occur along major waterways.Updated 26 May 2026

Flood Risk Score

6.5/10

Kosciuszko National Park has a moderate risk of flooding, primarily due to heavy rainfall and snowmelt in mountainous areas. Riverine flooding can occur along major waterways.

Key Facts

Flood Risk
Kosciuszko National Park has a moderate risk of flooding, primarily due to heavy rainfall and snowmelt in mountainous areas. Riverine flooding can occur along major waterways.
Trend
increasing
Suburb
Kosciuszko National Park, NSW
Overall Risk
High
Postcode
2627
Highest high-risk exposure
16.9% of land (bushfire)

Flood Risk Analysis

Kosciuszko National Park, located in New South Wales, has a notable flood risk profile based on available data including proximity to waterways, elevation, and historical flood events. The Bureau of Meteorology (BOM) maintains river height and flood warning data for catchments across New South Wales.

Flood risk is highest near the Snowy River and other major waterways, particularly during periods of heavy rainfall or snowmelt.

Kosciuszko National Park has a moderate risk of flooding, primarily due to heavy rainfall and snowmelt in mountainous areas. Riverine flooding can occur along major waterways.

For a comprehensive property-specific flood assessment including address-level elevation data, flood overlay mapping, and insurance cost estimates, use the ClimateNest full analysis tool. General suburb data cannot replace a site-specific evaluation.

Kosciuszko National Park sits within ClimateNest's suburb-level hazard model for flood risk. 8.5% of the suburb's land area is mapped in high-risk flood zones and 73.9% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Kosciuszko National Park.

Kosciuszko National Park (postcode 2627) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are bushfire (16.9% of land in high-risk zones), riverine flood (8.5% of land in high-risk zones), surface flood (3.9% of land in high-risk zones). Exposure is not uniform across Kosciuszko National Park — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Local Hazard Evidence

Nearest WaterwaySnowy River
Elevation Range300m - 2228m
Flood Zone ClassificationRiverine

Historical Events

2011
Moderate

Heavy rainfall caused flooding along the Snowy River, inundating low-lying areas and disrupting park operations.

Adaptation & Mitigation Actions

Implement fuel reduction programs

Immediate

Conduct prescribed burns and mechanical fuel reduction to reduce bushfire risk in high-priority areas.

Est. cost: Medium

Upgrade flood defenses

Near-term

Improve drainage infrastructure and construct levees to protect vulnerable areas from flooding.

Est. cost: High

Restore degraded ecosystems

Long-term

Rehabilitate degraded forests and grasslands to enhance their resilience to climate change.

Est. cost: Medium

Develop a climate adaptation plan

Near-term

Create a comprehensive plan to address the impacts of climate change on the park's natural environment and infrastructure.

Est. cost: Low

Enhance monitoring and research

Long-term

Expand monitoring programs to track changes in climate, vegetation, and wildlife populations. Support research to improve understanding of climate change impacts and adaptation strategies.

Est. cost: Medium

Council & Emergency Services

Snowy Monaro Regional Council
Emergency Services

Data last updated: 26 May 2026

Explore Kosciuszko National Park Risk Reports

Frequently Asked Questions

Is Kosciuszko National Park at risk of flooding?

Based on available data, Kosciuszko National Park has a notable flood risk profile. Flood risk varies by address — check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Kosciuszko National Park?

Insurance costs for flood cover in Kosciuszko National Park depend on the property's flood zone classification, elevation, and proximity to waterways. ClimateNest provides address-level insurance cost estimates based on your property's specific hazard exposure.

Does flood risk affect property values in Kosciuszko National Park?

Yes, flood risk can affect property values in Kosciuszko National Park. Properties in mapped flood zones may experience lower buyer demand, reduced valuations, and higher insurance costs. Lenders increasingly assess flood exposure as part of mortgage risk evaluation.

How does elevation affect flood risk in Kosciuszko National Park?

Elevation is a critical factor in flood risk. Properties at higher elevations within Kosciuszko National Park typically have lower flood exposure than those near waterways or in low-lying areas. Address-level elevation data combined with BOM flood mapping provides the most accurate picture.

What share of Kosciuszko National Park is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 16.9% of Kosciuszko National Park in high-risk zones for bushfire, with a further 58.5% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Kosciuszko National Park Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Kosciuszko National Park, New South Wales, covering flood, bushfire, sea level rise and more.

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What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections