| Gawler | |
| Name Other: | Metta Watte[1] |
| Pushpin Map: | Australia South Australia |
| Pushpin Map Caption: | Location of the river mouth in South Australia |
| Subdivision Type1: | Country |
| Subdivision Name1: | Australia |
| Subdivision Type2: | State |
| Subdivision Name2: | South Australia |
| Subdivision Type3: | Region |
| Subdivision Name3: | Mid North |
| Subdivision Type4: | District |
| Subdivision Name4: | Adelaide Plains |
| Subdivision Type5: | Towns |
| Subdivision Name5: | Gawler, Angle Vale, Virginia |
| Length: | 41km (25miles) |
| Discharge1 Location: | Port Gawler |
| Discharge1 Avg: | 10.3Gl/yr[2] |
| Source Confluence: | South Para River and North Para River |
| Source Confluence Elevation: | 52m (171feet) |
| Mouth: | Gulf St Vincent |
| Mouth Location: | between and |
| Mouth Coordinates: | -34.675°N 138.4737°W |
| Mouth Elevation: | 0m (00feet) |
| Basin Size: | 883km2 |
| Custom Label: | National park |
| Custom Data: | Adelaide International Bird Sanctuary |
| Extra: | [3] |
The Gawler River is a river located in the Adelaide Plains district of the Mid North region in the Australian state of South Australia.
The district surrounding the river produces cereal crops and sheep for both meat and wool, as well as market gardens, almond orchards and vineyards.
Formed by the confluence of the North Para and South Para Rivers in the town of Gawler, the river flows generally west onto the Adelaide Plains. The mouth is in the Adelaide International Bird Sanctuary National Park—Winaityinaityi Pangkara, which consists primarily of mangroves in the tidal flats as the river empties into Gulf St Vincent. The outflow represents the boundary between the suburbs of Port Gawler on the northern bank and Buckland Park on the southern bank. The river descends over its 41km (25miles) course.[3]
The Gawler is subject to periodic flood events and the cause of occasional flash flooding (during 1:10 to 1:50 year flood events). Major overtopping in large floods occurs along much of the river length. Significant flooding commences within Gawler township from both the North and South Para Rivers.[4]
September 2016[5]