| Wallis Lake | |
| Lake Type: | An open and trained wave dominated barrier estuary[1] |
| Basin Countries: | Australia |
| Location: | Mid North Coast, New South Wales, Australia |
| Coords: | -32.3°N 182°W |
| Inflow: | Wallamba River, Coolongolook River, Pipers Creek |
| Outflow: | Coolongolook River to the Tasman Sea |
| Agency: | Mid-Coast Council |
| Length: | [2] |
| Elevation: | 0m (00feet) |
| Islands: | Hadleys Island, Wallis Island |
| Cities: | Coomba Park, Forster, Green Point, Pacific Palms, Tuncurry |
| Pushpin Map: | New South Wales#Australia |
| Pushpin Map Alt: | Location of the estuary in New South Wales, Australia. |
| Reference: | [3] |
Wallis Lake, an open and trained wave dominated barrier estuary,[1] is located within the Mid-Coast Council local government area in the Mid North Coast region of New South Wales, Australia. Wallis Lake is located adjacent to the towns of Forster and Tuncurry, and adjacent to the east coast, about 308km (191miles) north of Sydney.
Drawing its catchment from within Wallingat National Park and the Wallamba River, Coolongolook River, and Pipers Creek, Wallis Lake has a catchment area of and a surface area of 99km2.[4] When full, Wallis Lake covers an area of around,[3] is approximately long,[2] with a width of .
Hadleys Island lies within Wallis Lake, near the confluence of the Wallamba and Coolongolook rivers.
The waterways surrounding Wallis Lake are well known for oyster production.[5]
Lake Wallis was named in honour of James Wallis, an officer of the 46th Regiment.