📮 Dederang postcode: 3691

Flood Risk in Dederang, VIC: 2026 Assessment

Dederang, Victoria· Alpine· 3691
Dederang faces a moderate risk of flooding due to its proximity to waterways and historical flood events. Climate change is expected to increase rainfall intensity, potentially worsening flood risk.Updated 31 May 2026

Flood Risk Score

6.5/10

Dederang faces a moderate risk of flooding due to its proximity to waterways and historical flood events. Climate change is expected to increase rainfall intensity, potentially worsening flood risk.

Key Facts

Flood Risk
Dederang faces a moderate risk of flooding due to its proximity to waterways and historical flood events. Climate change is expected to increase rainfall intensity, potentially worsening flood risk.
Trend
increasing
Suburb
Dederang, VIC
Overall Risk
Medium
Postcode
3691
Region
Coastal VIC
Median property value
$725,000
Dominant hazard
damaging wind (5/10)
Highest high-risk exposure
12.9% of land (bushfire)

Flood Risk Analysis

Dederang, located in Victoria, 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 Victoria.

Historical flood data indicates that properties near the Kiewa River are most vulnerable.

Dederang faces a moderate risk of flooding due to its proximity to waterways and historical flood events. Climate change is expected to increase rainfall intensity, potentially worsening flood risk.

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.

Dederang sits within ClimateNest's suburb-level hazard model for flood risk. 4% of the suburb's land area is mapped in high-risk flood zones and 69.6% 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 Dederang.

On ClimateNest's 0–10 suburb hazard index, Dederang scores 3 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Dederang can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Dederang located in Coastal VIC (postcode 3691), is a Victoria suburb tracked by ClimateNest. The suburb's median property value is $725,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Dederang.

Across the six hazard axes ClimateNest models, the dominant climate risk in Dederang is damaging wind (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Dederang, damaging wind is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Dederang are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayKiewa River
Elevation Range250-300m
Flood Zone ClassificationAreas near the Kiewa River are prone to flooding.

Historical Events

2022
Moderate

Heavy rainfall caused localized flooding in and around Dederang, impacting roads and properties.

2012
Moderate

Significant flooding occurred in the Kiewa Valley, impacting Dederang and surrounding areas.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risk, such as levees and improved drainage systems.

Est. cost: Medium

Develop a Heatwave Management Plan

Immediate

Implement a plan to protect vulnerable residents during heatwaves, including cooling centers and community outreach programs.

Est. cost: Low

Enhance Bushfire Preparedness

Near-term

Implement bushfire mitigation strategies, such as controlled burns and community education programs.

Est. cost: Medium

Promote Water Conservation

Long-term

Encourage water conservation practices to reduce the impact of droughts and water scarcity.

Est. cost: Low

Council & Emergency Services

Alpine Shire Council
Emergency Services

Data last updated: 31 May 2026

Explore Dederang Risk Reports

Frequently Asked Questions

Is Dederang at risk of flooding?

Based on available data, Dederang 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 Dederang?

Insurance costs for flood cover in Dederang 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 Dederang?

Yes, flood risk can affect property values in Dederang. 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 Dederang?

Elevation is a critical factor in flood risk. Properties at higher elevations within Dederang 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 are the main climate risks in Dederang?

ClimateNest's suburb model rates Dederang's dominant climate risk as damaging wind at 5/10 on a 0–10 index, followed by bushfire (4/10) and extreme heat (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Dederang.

What share of Dederang is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 12.9% of Dederang in high-risk zones for bushfire, with a further 62.2% 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 Dederang Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Dederang, Victoria, 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