Ngarkat Highway is a road in the southeastern part of South Australia, connecting Pinnaroo and Bordertown.[3] It is designated as part of route B57 which continues north from Pinnaroo along Browns Well Highway to Loxton (concurrent with B12 on Mallee Highway for 7km west of Pinnaroo), and south from Bordertown along Naracoorte Road to Naracoorte (concurrent with A8 on Dukes Highway for 10km east of Cannawigara).
Ngarkat Highway | |
|---|---|
  North end South end | |
| Coordinates | |
| General information | |
| Type | Highway |
| Length | 115 km (71 mi)[1] |
| Route number(s) |  B57 (1998–present) |
| Major junctions | |
| North end |  Mallee HighwayPinnaroo, South Australia |
| South end |  Dukes HighwayCannawigara, South Australia |
| Location(s) | |
| Region | Murray and Mallee, Limestone Coast[2] |
| Highway system | |
The Ngarkat Highway passes through Ngarkat Conservation Park.
Major intersections
| LGA[4] | Location[1][3] | km[1] | mi | Destinations | Notes |
|---|---|---|---|---|---|
| Southern Mallee | Pinnaroo | 0 | 0.0 | Mallee Highway (B12) – Tailem Bend, Lameroo, Ouyen | Northern terminus of highway, route B57 continues north along Mallee Highway for 7km to Browns Well Highway |
| Sherwood | 61 | 38 | Emu Flat Road – Keith | ||
| Tatiara | Cannawigara | 104 | 65 | Dukes Highway (A8) – Tailem Bend, Keith, Bordertown, Horsham | Southern terminus of highway, route B57 continues east along Dukes Highway for 11km to Naracoorte Road |
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