Caiguna, Western Australia (postcode 6443), is a remote outback locality situated along the Eyre Highway in the Goldfields-Esperance region. Known primarily as a stopover point for travelers crossing the Nullarbor Plain, Caiguna is home to the iconic "90 Mile Straight," one of the longest straight stretches of road in Australia. The area features basic amenities, including a roadhouse offering fuel, accommodation, and meals, catering to the needs of long-distance drivers and tourists. Its sparse population and arid, rugged landscape make it a quintessential outback experience, characterized by vast open spaces and a sense of isolation.
| Postcode: | 6443 |
| State: | WA |
| Coordinates (lat/long): | -32.39502, 123.744186 |
| Federal Electorate: | Durack |