The geology here is young by the standards of an ancient continent. The lake occupies a depression in the Bridgewater Formation, a Pleistocene limestone common across the western Eyre Peninsula. Over the past few thousand years, dunes built by the Holocene seas threw up a barrier between the ocean and that depression, and the trapped water turned salty under the relentless sun. The dunes have not stopped moving. They continue to encroach on the lake, the lagoons, and the wetlands, so the park is less a fixed landscape than a slow-motion event, sand advancing on water year by year. The result is a mosaic of habitats packed into a narrow coastal strip running south to north through the localities of Elliston, Colton, and Talia.

For birds, that mosaic is a feast. More than a hundred species have been recorded in the park, drawn to the rare combination of salt lake, freshwater spring, and dune scrub. Cape Barren geese graze the margins. Pied oystercatchers work the shallows on orange legs, singing honeyeaters call from the mallee, and the slender-billed thornbill, a tiny, easily overlooked bird of saltbush and samphire, finds one of its strongholds here. Migratory waders and waterfowl use the lake as a staging post, fattening on a coastline where good wetland is scarce. The reserve carries the strictest conservation rating Australia hands out, an IUCN Category Ia listing, the same designation reserved for places valued chiefly as undisturbed nature.

Long before any surveyor drew a boundary, this was Wirangu country, and the lake holds a story written across the night sky. Lake Newland sits within the songline of the Seven Sisters, one of the most significant creation narratives in Aboriginal Australia. In the Wirangu telling, the sisters are the star cluster Europeans call the Pleiades, known here as the Yugarilya. A hunter named Tgilby, the constellation Orion, falls in love with them and chases them out of the sky and across the earth, while the sisters in turn pursue a snake, Dyunu. The story is not a quaint legend but a map and a law, carried in song across vast distances and tied to specific places in the land.

The arrival of European settlers in the 1800s forced the Wirangu from this coast. After the Elliston massacre of 1849, the whole area became taboo, a place too heavy with grief to enter, and for generations Aboriginal people did not set foot on it. That silence lasted until 2018, when a cleansing ceremony was held and Wirangu people returned to walk the country and sing the songline once more. Edward John Eyre had passed through in 1839 and named the lake for his travelling companion, Richard Francis Newland, but the lake had a name and a story long before that, and now, again, it has people who know them. The park was formally proclaimed in 1991. The reconnection took longer.

To visit is to stand inside that slow collision of sand and water. The park runs as a thin coastal strip, the lake and lagoons on the inland side, the great dune barrier rising between you and the surf. From the crests, the contrast is total: behind you the dark, restless Southern Ocean; before you the still salt mirror, fringed by the saltbush and samphire where the slender-billed thornbills hide. The light does strange things to the salt pan, flattening distance, doubling the sky. Because the reserve carries the strictest possible protection, there is little here in the way of built infrastructure, no kiosk, no crowds, just the wind, the birds, and the sand quietly winning its long argument with the lake. It is one of the most extensive and least disturbed wetlands left on this coast, and it feels it.