Expert Guides and Regional Insights for Munga-Thirri–Simpson Desert National Park

Australia's largest protected desert wilderness, spanning ancient dune systems and sacred Indigenous country

Munga-Thirri, Simpson Desert National Park

Munga-Thirri–Simpson Desert National Park stands as a monumental conservation achievement, protecting the most extensive tract of desert wilderness remaining in Australia's protected area network. The park's creation in November 2021 marked a significant milestone in Australian conservation history, consolidating what was previously a conservation park and regional reserve into a single national park that now accounts for a substantial portion of South Australia's protected lands. The Simpson Desert, which forms the core of the park, is characterized by its striking parallel dune fields that run in a generally north-south orientation across the landscape, a pattern formed over thousands of years of wind-driven sand deposition. These dunes support a complex ecosystem adapted to extreme aridity, with vegetation communities including drought-resistant spinifex grasses and hardy Acacia species that can access groundwater through their deep root systems. The park's playa lakes, which are dry salt pans for most of the time, transform into temporary wetlands when seasonal rains arrive, creating brief but ecologically important feeding and breeding grounds for waterbirds. Access to this remote park is limited, reflecting both its wilderness character and the need to protect its fragile desert environment from disturbance.