Estuary name Barham River Estuary
CMA Corangamite CMA

The Barham enters the sea between Apollo Bay and Marengo after meandering across a broad tidal waterway, an uncommon river style within the region. The Barham River Estuary is 2.980km in length, with a catchment area of 192.1Ha that contains several geologically significant sites.

Estuary Values
  • significant birds species found on the Barham River estuary are the Eastern Great Egret (Ardea modesta) Status: Vulnerable (Adv List) , Whiskered Tern (Childonias hybrida) Status: Near Threatened (Adv List) , Fairy Tern (Stemula nereis nereis) Status: Vulnerable (EPBC), Endangered (Adv List) and the Hooded Plover (Thinornis rubricollis) Status: Vulnerable (Adv List and EPBC)
  • a significant fish species found on the Barham River estuary is the Australian Grayling.
  • the Barham River supplies water to Apollo Bay
  • canoeing
  • picnics
  • walking
  • camping
  • recreational fishing.
Estuary Threats
  •  degraded riparian vegetation
  • stock access
  • bank erosion
  • invasive flora and fauna
  • reduced connectivity
  •  poor water quality


Data Site observations
Status Active
Monitor group Barham EstuaryWatchers
Document Barham River Estuary Fact Sheet



Site details Options

BM1 - P Barham BM1- Phys/Chem

Active Physico-Chemical 12-12-2018 - 03-04-2019
Observations 5

BM2-P Barham BM2-P Phys/Chem

Active Physico-Chemical 12-12-2018 - 03-04-2019
Observations 5

BmGB Barham River Water Level Gauge Board

Active Gauge Board
The water level gauge board is located on the eastern river bank beside the Great Ocean Road bridge.

BmMC Barham River Observation Site

Active Mouth Condition 23-05-2008 - 13-03-2020
Fence corner 17th hole.
Observations 146

BmP1 Barham River P1- Golf Course

Retired Photopoint 02-04-2010 - 21-03-2019

Fence corner 17th hole.

Photos 71

BmP2 Barham River P2- Ocean Road

Active Photopoint 29-08-2010 - 13-03-2020
Fishing platform
Photos 125

BmP3 Barham River P3- Golf Course

Active Photopoint 01-01-2013 - 13-03-2020
Enter via walking track from the carpark at the corner of Gambier and Trafalgar Street. Follow the track to the 6th hole of the golf course.
Photos 158

Recent Events

Event Details
03-05-2019 Estuary Entrance Opening

24-04-2019 at 10.00 the Barham River mouth is closed. Seas are smooth and the Estuary height is 1.28m.

30-04-2019 at 17.00 the river mouth has remained closed and the Estuary height is now !.82m.

02-05-2019 at 10.30 the Estuary height is now 1.895m.

03-05-2019 at 10.45 there has been a natural river mouth opening and the estuary height has fallen to 0.96m.

10-04-2019 Estuary Entrance Opening

09-04-2019 11.00 the Barham River mouth is closed and the estuary height is 1.54m. The wind is a fresh Westerly and the seas are rough. High tide is at 14.30. At 17.00 the estuary height is 1.64m and the berm clearance is 0.15m.

10-04-2019 at 09.00 the river mouth has naturally opened and the estuary height has fallen to 1.34m.

View all events

Mouth Condition Snapshots

13-03-2020 #13610

Photopoint BmP2-1
Photopoint BmP3-3

15-02-2020 #13574

Photopoint BmP2-1
Photopoint BmP3-3

24-01-2020 #13544

Photopoint BmP2-1
Photopoint BmP3-3

22-12-2019 #13469

Photopoint BmP2-1
Photopoint BmP3-3

18-11-2019 #13413

Photopoint BmP2-1
Photopoint BmP3-3

21-10-2019 #13372

Photopoint BmP3-3
Photopoint BmP2-1

13-09-2019 #13312

Photopoint BmP2-1
Photopoint BmP3-3
Photopoint BmP2-5

14-08-2019 #13245

Photopoint BmP2-1
Photopoint BmP3-3

08-07-2019 #13187

Photopoint BmP3-3
Photopoint BmP2-1

10-06-2019 #13120

Photopoint BmP2-1
Photopoint BmP3-3

08-05-2019 #12910

Photopoint BmP2-1
Photopoint BmP3-3

12-04-2019 #12847

Photopoint BmP2-1
Photopoint BmP3-3
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