Flood Risk in Round Mountain, NSW: 2026 Assessment

Round Mountain, New South Wales· UNKNOWN
Flooding may occur in Round Mountain due to heavy rainfall and proximity to waterways. The risk is moderate, with potential for property damage and disruption to daily life.Updated 27 May 2026

Flood Risk Score

4.0/10

Flooding may occur in Round Mountain due to heavy rainfall and proximity to waterways. The risk is moderate, with potential for property damage and disruption to daily life.

Key Facts

Flood Risk
Flooding may occur in Round Mountain due to heavy rainfall and proximity to waterways. The risk is moderate, with potential for property damage and disruption to daily life.
Trend
increasing
Suburb
Round Mountain, NSW
Overall Risk
Medium
Postcode
2484
Highest high-risk exposure
13.9% of land (bushfire)

Flood Risk Analysis

Round Mountain, 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.

Local anecdotal evidence suggests minor flooding occurs after prolonged heavy rainfall.

Flooding may occur in Round Mountain due to heavy rainfall and proximity to waterways. The risk is moderate, with potential for property damage and disruption to daily life.

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.

Round Mountain sits within ClimateNest's suburb-level hazard model for flood risk. 9.4% of the suburb's land area is mapped in high-risk flood zones and 84.6% 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 Round Mountain.

Round Mountain (postcode 2484) 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 (13.9% of land in high-risk zones), surface flood (13% of land in high-risk zones), riverine flood (9.4% of land in high-risk zones). Exposure is not uniform across Round Mountain — 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 WaterwayUnnamed Creek
Elevation Range300-350m
Flood Zone ClassificationLow-lying areas near creek

Historical Events

2017
Minor

Heavy rainfall caused minor flooding in low-lying areas of Round Mountain.

Adaptation & Mitigation Actions

Develop a community bushfire plan

Immediate

Create a plan that outlines evacuation routes, emergency contacts, and property protection measures.

Est. cost: Low

Improve home energy efficiency

Near-term

Install insulation, energy-efficient appliances, and solar panels to reduce energy consumption and reliance on the grid during heatwaves.

Est. cost: Medium

Upgrade stormwater drainage

Near-term

Improve drainage infrastructure to reduce the risk of flooding during heavy rainfall events.

Est. cost: High

Establish a community cooling center

Immediate

Create a designated space where residents can seek refuge during extreme heat events.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 27 May 2026

Explore Round Mountain Risk Reports

Frequently Asked Questions

Is Round Mountain at risk of flooding?

Based on available data, Round Mountain 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 Round Mountain?

Insurance costs for flood cover in Round Mountain 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 Round Mountain?

Yes, flood risk can affect property values in Round Mountain. 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 Round Mountain?

Elevation is a critical factor in flood risk. Properties at higher elevations within Round Mountain 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 Round Mountain is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 13.9% of Round Mountain in high-risk zones for bushfire, with a further 60.2% 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 Round Mountain Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Round Mountain, 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