Areas / Colac Otway / Wyelangta

Wyelangta flood map & planning overlays

Wyelangta's 11,141 m² conservation lots are 100% bushfire, with 6 heritage places.

A planning-constraint profile of Wyelangta (Colac Otway, VIC) - 77.69 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 24 October 2026.

Elevation hillshade with street names, clipped to Wyelangta's boundary, with the flood, bushfire and environmental overlays drawn on top. Magenta is where aircraft were observed in the sampled period, brightest below 3,000 ft.

Nearby suburbs, nearest first

Aircraft noise and flight paths over Wyelangta

The ANEF contour is a published planning forecast and observed overflight is what a sampled tracking feed recorded - neither describes any individual property.

Observed overflight - sampled 4 Sep to 24 Oct 2026

Under observed aircraft
6%
of the suburb, at or below 10,000 ft
Below 3,000 ft
2%
of the suburb's area
Lowest measured
1,500 ft
averaging 4,000 ft
How often
not established
aircraft were seen, but not often enough to put a rate on

Night movements: not established - night is sampled as often as day, but too few night flights have been seen here to conclude either way.

How this is measured

Traffic is sampled rather than watched continuously, so every figure is a floor: aircraft not captured between samples are not represented. Rates are per 500 m square - the busiest square in the suburb, not a count of flights over the suburb - and a square is only rated where enough traffic was seen to measure it. Altitudes are above mean sea level. Flight paths change with runway use, weather, season and airspace design. This is a record of observed traffic; it is not a noise contour and not a planning control.

Wyelangta at a glance

Parcels 242 Median lot 11,141 m² Mapped easements 38

How Wyelangta is zoned

Public Conservation and Resource Zone (PCRZ) 69%
Farming Zone (FZ) 31%
Transport Zone (TRZ2) 0%

Selling in Wyelangta? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses.

Across its 77.69 km², Wyelangta is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 100% is flagged bushfire-prone. There are 6 heritage-listed sites on record, and the dominant land-use zone is Public Conservation and Resource Zone (PCRZ). The median lot measures about 11,141 m² across 242 parcels.

Who lives in Wyelangta

Census 2021 figures published by the ABS for the Wyelangta suburb boundary itself, not a wider region.

Population
40
usual residents, 2021

Socio-economic standing

ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.

Advantage and disadvantage (IRSAD) Decile 4
most disadvantagedleast disadvantaged

Score 954, and decile 3 within Victoria. The national average is 1000.

Relative disadvantage (IRSD) Decile 3
most disadvantagedleast disadvantaged

Population trend, 2001 to 2025

Estimated resident population of Otway, the wider ABS statistical area containing Wyelangta. There is no annual population series published at suburb level, so this describes the surrounding area rather than Wyelangta itself.

3,452 in 2001 to 3,974 in 2025, up 15%.

Source: ABS Census 2021 and SEIFA 2021 (Suburbs and Localities), Regional Population (SA2), CC BY 4.0. Small counts are randomly adjusted by the ABS.

Wyelangta data sources and coverage

“Not mapped” means we hold no source layer for this suburb - never an all-clear.

DatasetCoveragePublisher
Flood mappingMappedVicmap Planning and Victorian Government spatial services
Bushfire-prone mappingMappedVicmap Planning and Victorian Government spatial services
ZoningMappedVicmap Planning and Victorian Government spatial services
Heritage and environmentMapped where publishedVicmap Planning and Victorian Government spatial services
Aircraft noise contours (ANEF)Not heldVicmap Planning and Victorian Government spatial services, Defence
Observed flight pathsObservedadsb.lol, under the Open Database License
DemographicsAvailableAustralian Bureau of Statistics (2021 Census and SEIFA)

Profile last materially updated 24 October 2026. See the methodology and full source list. Source data changes over time and critical decisions should be checked with the responsible authority.

Check a specific Wyelangta address

See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.

See what's in the $9 report →

Aircraft have been seen below 3,000 ft over about 2% of Wyelangta. The report's Aircraft Overflight page narrows that to the address itself: how many aircraft a day, how low, and at what heights.

Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and the indicative soil reactivity range to expect for a Wyelangta lot.

Wyelangta planning - frequently asked

Is Wyelangta flood-prone?

Flood mapping covers Wyelangta and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 12%).

Is Wyelangta bushfire-prone?

Around 100% of Wyelangta is mapped as bushfire-prone, compared with a Colac Otway average of 97%.

Is Wyelangta under a flight path?

Aircraft were observed below 3,000 ft over about 2% of Wyelangta, and over about 6% at any altitude up to 10,000 ft, in the period sampled (4 Sep 2026 to 24 Oct 2026). The lowest measured aircraft was at 1,500 ft, with an average of 4,000 ft. Traffic is sampled rather than watched continuously and flight paths change with runway use, weather and season; the ANEF contour is the planning instrument.

What is the zoning in Wyelangta?

The dominant planning zone in Wyelangta is Public Conservation and Resource Zone (PCRZ), though the suburb also includes Farming Zone (FZ) and Transport Zone (TRZ2).

Does Wyelangta have heritage-listed places?

Wyelangta has 6 heritage-listed places on record.

What is the typical lot size in Wyelangta?

Across 242 surveyed parcels in Wyelangta, the median lot size is about 11,141 m². There are also 38 registered easements mapped in the suburb.

Is Wyelangta an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Wyelangta scores 954 and sits in decile 4 of 10 nationally and decile 3 within Victoria (decile 1 is the most disadvantaged tenth, decile 10 the least).

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Weeaproinah 3.9 km Not mapped 100%
Lavers Hill 6.2 km 0% 100%
Ferguson 6.5 km Not mapped 100%
Carlisle River 9.5 km 6% 100%
Johanna 10.3 km 3% 100%
Aire Valley 10.3 km Not mapped 100%
Glenaire 10.7 km 5% 100%
Beech Forest 12.8 km <1% 100%
Chapple Vale 14.4 km 10% 100%
Yuulong 15.1 km <1% 100%

See all Colac Otway suburb profiles →