St Mary Peak / Ngarri Mudlanha is a mountain located in the Australian state of South Australia on the northwestern side of Ikara. It is the highest peak in the Flinders Ranges and the eighth highest peak in South Australia, with a height of .
The prominent St Mary Peak / Ngarri Mudlanha is located in South Australia's southwestern region, adjacent to Ikara. As the highest point in the Flinders Ranges, it ranks as the state's eighth-highest summit, boasting a notable elevation.