The Oppaminda Nudlamutana Walk is a challenging 15.2-kilometre one-way hike within Arkaroola Wilderness Sanctuary, South Australia. This trek, classified as grade 3, is estimated to take approximately seven hours to complete. The route follows a linear path, traversing sections of the Gammon Ranges before ascending the 590-metre peak of Mount Warren Hastings. Hikers will encounter ancient glacial tillite fields along the way. Keep an eye out for rare plant life and the area's resident red kangaroos.
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Grade 3 (Moderate) - Walks for Most Fitness Levels: Grade 3 on the
AWTGS represents moderate walking tracks. These are ideal for walkers with some fitness who are comfortable with some hills and uneven terrain. While suitable for most ages, some bushwalking experience is recommended to ensure a safe and enjoyable experience. Tracks may have short, steep hill sections, a rough surface, and many steps. The total distance of a Grade 3 walk can be up to 20 kilometers.
Nestled within the northern Flinders Ranges of South Australia, Arkaroola Wilderness Sanctuary lies approximately 630 kilometres north of Adelaide. This outback haven promises breathtaking scenery and offers multiple routes for visitors to choose from. National Parks Permits are not required for entry to Arkaroola. For detailed information on accessing the sanctuary, please refer to the Arkaroola Wilderness Sanctuary website.
Image: Arkaroola Wilderness Sanctuary
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A quick note: Uploading your photos doesn’t mean you lose ownership. You’ll be credited for any photos you share, and you can request to have them removed at any time.
The Arkaroola Wilderness Sanctuary, in South Australia's remote northeast, is a haven for geology enthusiasts. Established by the Sprigg family, the sanctuary honours the legacy of the late Reg Sprigg, a distinguished South Australian geologist. His work included significant geological discoveries in the northern Flinders Ranges and Cooper Basin, and he played a key role in founding Santos and Beach Petroleum.
Arkaroola boasts a remarkable geological tapestry. Rugged mountains, towering granite peaks, and magnificent gorges characterise this ancient landscape. Mysterious waterholes dot the terrain, providing habitat for a diverse range of Australian wildlife. Birdwatchers will be delighted by the variety of avian species, while reptile and mammal enthusiasts can search for creatures including the shy and endangered Yellow-footed Rock-wallaby. Notably, Arkaroola is considered one of the best places in Australia to observe these rare marsupials in their natural environment.
Visitors can explore this extraordinary landscape on foot, following in the footsteps of early explorers. The sanctuary offers a network of well-marked walking trails suitable for most ages and abilities. The latter section of Griselda Hill presents the most challenging terrain. Brochures detailing the trails are available for purchase at the Arkaroola Resort Village.
Spotted a change on this trail? Maybe there are new features, the route has shifted, or the trail is permanently closed. Whatever the update, I’d love your input. Your feedback helps fellow hikers stay informed and ensures that our trail info stays fresh and reliable.
Looking for things to do in Arkaroola Wilderness Sanctuary or nearby? Try these similar hikes or bushwalks.
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Adventure with Confidence: Register Your Trip Plans
Before you hit the trail, take a moment to fill out our trip intentions form. It’s a simple way to share important details about your hike with family or friends. If things don’t go as planned and you’re not back on time, they can easily notify emergency services, helping to ensure a quick response and reducing worry. Enjoy your outdoor adventure knowing that you’ve taken a smart step for your safety.
What you carry in your pack will depend on the weather, terrain, time of year, type of adventure, and personal preferences. Having trouble deciding what gear’s right for you? My free planning, food and packing checklists provide an introduction to things your could consider (as well as the Ten Essentials) on your day, overnight and multi-day adventures. Customise your kit according to your personal needs, always considering safety first.Â
While planning your hike, it’s important to check official government sources for updated information, temporary closures and trail access requirements. Before hitting the trail, check local weather and bushfire advice for planned burns and bushfire warnings and let someone know before you go. Plan ahead and hike safely.
