Estuary name Gellibrand River Estuary
CMA Corangamite CMA

The Gellibrand River Estuary is approximately 8.7km's in length and flows through a variety of different landscape types before it enters the ocean directly into the Twelve Apostles Marine National Park. It has a catchment area of 2346Ha.

Estuary Values
  • the Princetown Wetlands-Gellibrand estuary are listed in the Directory of Important Wetlands for Australia. 
  • significant birds can be found on the Gellibrand River estuary such as the Australasian Bittern (Botaurus poiciloptilus)- Status: Endangered (IUCN, Adv List) and the Royal Spoonbill (Platalea regia)- Status: Vulnerable (Adv List).
  • a significant fish species found on the Gellibrand River is the Australian Grayling.
  • Estuarine Wetland Ecological Vegetation Class is Depleted in the Otway Ranges bioregion
  • Riparian Forest Ecological Vegetation Class (Vulnerable)
  • Swamp Scrub Ecological Vegetation Class (Endangered)
  • camping
  • game  hunting
  • motor boating
  • non-motor boating
  • picnics and barbecues
  • recreat
Estuary Threats
  • degraded estuarine vegetation
  • degraded water quality
  • disturbance of acid sulphate soils
  • intermittently open estuary
  • invasive fauna
  • livestock access
  • reduced floodplain and wetland connectivity
Data Site observations
Status Active
Monitor group Gellibrand River EstuaryWatchers
Document P116120_FS01V04_Gellibrand_Factsheet_20171101.pdf
Document Gellibrand River Estuary Fact Sheet



Site details Options

G1 Gellibrand River Estuary Mouth

Retired Physico-Chemical 20-04-2007 - 16-05-2008
Open estuary area behind sand dune
Observations 11

G2 Old Coach Road Bridge Princetown

Active Physico-Chemical 20-04-2007 - 24-03-2023
Road bridge over estuary on Old Coach Road
Observations 624

G3 Camp Kangaroobie

Retired Physico-Chemical 20-04-2007 - 15-06-2012
Platform at estuary adjacent to Camp Kangaroobie
Observations 28

L1 Bridge at Latrobe Creek Mouth as it enters the Gellibrand

Active Physico-Chemical 15-06-2007 - 24-03-2023
Foot bridge over wetlands
Observations 205

G4 Bridge at Rivernook

Active Physico-Chemical 21-04-2007 - 24-03-2023
Bridge at Rivernook
Observations 159

G5 Coxon's Bridge

Active Physico-Chemical 21-04-2007 - 24-03-2023
Bridge at Coxon's
Observations 217

G6 Great Ocean Road Bridge at Lower Gellibrand

Retired Physico-Chemical 20-04-2007 - 11-03-2017
Great Ocean Road Bridge at Lower Gellibrand
Observations 227

G6GB Gellibrand River (upstream) Water Level Gauge Board

Retired Gauge Board
Water level gauge board located on eastern river bank, downstream of Great Ocean Road bridge.

GGB Water Level Gauge Board

Active Gauge Board
Adjacent to the permanent monitoring station approximately 5m upstream of the Old Coach Road bridge.

GMC Gellibrand River Estuary Mouth Observation Site

Active Mouth Condition 20-04-2007 - 24-03-2023
EstuaryWatch post marker on top of sandune at estuary mouth
Observations 757

Gp1 Gellibrand River Estuary Mouth Photopoint

Active Photopoint 18-07-2010 - 23-11-2022
EstuaryWatch post marker on top of sandune at estuary mouth
Photos 2621

Recent Events

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Estuary Snapshots

The EstuaryWatch snapshots provide a summary of estuary condition on a particular day. For all EstuaryWatch Snapshots, photopoint photos and a longitudinal water quality profile from the estuary mouth  to the inland extent is displayed. Read more

Full estuary snapshots below use dates where samples at every active monitoring site were recorded. View full and partial snapshots

Autumn 2023

Summer 2023

Spring 2022

Winter 2022

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