St Mary Peak (Ngarri Mudlanha) (1,171 m / 3,839 ft), is situated on the northwestern side of Wilpena Pound, and is the highest peak in the Flinders Ranges, South Australia. It lies within the Flinders Ranges National Park. St Mary Peak is the eighth highest peak in South Australia (the highest seven all being in the Musgrave Ranges). It is commonly misspelled St Mary's Peak. The peak and its surroundings may be accessed via a walking trail from Wilpena Resort along the north-east edge of the range outside of Wilpena Pound, or via a longer trail through the middle of the pound.