Grays Hut is a hiker campsite located within Mount Remarkable National Park in South Australia, roughly 50 kilometres southeast of Port Augusta. It sits approximately 16.

4 kilometres from the Mambray Creek trailhead, making it the natural overnight stop on the Black Range Trek for both return and one-way itineraries. The hut is available for hikers to camp at or stay in, offering basic shelter along this multi-day route.

Walkers passing through the area may encounter wildlife such as goannas, and seasonal waterfalls like Goats Rock add to the appeal of the surrounding landscape.