Trail summary
Hike overview
The Hardys Scrub Circuit offers a moderately challenging 5.9 kilometre loop hike (grade 3) within Onkaparinga River National Park, South Australia. This trail is anticipated to take approximately 2.5 hours to complete and winds through a unique ecological landscape.
The hike traverses a combination of dedicated walking trails and fire tracks, showcasing remnants of Grey Box Eucalyptus woodlands. These woodlands were once prevalent across the western slopes of the southern Adelaide Hills, but extensive clearing for agriculture and urban development has significantly reduced their presence. The diverse vegetation communities encountered along the trail include Pink Gums thriving in sandy areas and Southern Cypress Pine.
The designated starting point for the Hardys Scrub Circuit is the main trailhead situated at Gate 16 on Chapel Hill Road. This location provides convenient amenities for hikers, including car parking for 3-4 vehicles, a trailhead information board, and a picnic table. The well-marked trail follows a clockwise direction.
Alternatively, you can commence the hike from Gate 19 on Chapel Hill Road. However, if you choose this option, be mindful to look out for the walking trail branching off to your left approximately 50 metres after entering the trail. This path is located near the first trail marker but lacks directional arrows. Take a left turn here to follow the walking trail in a clockwise direction and complete the circuit.
Map and GPX file
Max elevation: 188 m
Min elevation: 137 m
Total climbing: 128 m
Total descent: -129 m
Getting there
Accessing the Hardys Scrub Circuit is straightforward. The primary trailhead is located at Gate 16 on Chapel Hill Road within Onkaparinga River National Park. Parking is limited here, with capacity for only 3-4 vehicles. If travelling by car from Adelaide, head south on the M1 Freeway and follow signs for Stirling/Mount Barker Road (B33). Continue for approximately 40 kilometres until the turnoff for Sturt Valley Road. Follow this road until it intersects with Ironbank Road, then turn right and proceed onto Main Road. Turn right again onto Chapel Hill Road and locate Gate 16 on your left.
Photo gallery
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Track grade
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.
About the region
Explore Onkaparinga River National Park's Rugged Beauty. Onkaparinga River National Park offers a diverse range of adventures. Hike to clifftops for stunning views or descend to permanent rock pools teeming with life. Witness the rugged ridges and the dramatic Onkaparinga Gorge, a haven for native vegetation. Spot koalas, kangaroos, birds, and maybe even an echidna.
Discover the park's rich history. Explore heritage-listed huts and ruins of 1880s houses, remnants of the area's past as farmland. Shared trails welcome mountain bikers and horse riders.
Located just 35km south of Adelaide, the park caters to all interests. Explore the main walking trails on the north side of the gorge, accessible via Piggott Range Road. Public transport is also available from Adelaide's city center.
Choose a scenic spot by the river or enjoy a more formal picnic area with amenities, barbecues, and stunning views. The area near gate 25 offers a shaded picnic ground with shelters, perfect for a relaxing meal. Nearby wineries provide the opportunity to pair your picnic with a delicious South Australian red wine.
The Pink Gum Campground at the park's eastern end provides 11 campsites, including caravan-friendly options. Amenities include toilets, washing facilities, and fire pits (usable outside fire ban seasons).
Important Note: The park closes on days of Catastrophic Fire Danger and may also be closed on days of Extreme Fire Danger. Please check fire danger ratings before visiting.
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Let someone know
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.
Gear to consider
What you carry in your pack depends on factors like weather, terrain, time of year, the type of adventure, and your personal preferences. Unsure what gear to bring? My free planning, food, and packing checklists offer a great starting point, covering essentials for day hikes, overnight trips, and multi-day adventures. Use them as a guide to customise your kit to suit your needs, always prioritising safety above all else.
Explore safe
Plan ahead and hike safely! Always carry enough water and pack clothing layers to adapt to changing conditions. Bring essential safety gear, including a torch, a Personal Locator Beacon (PLB), and a reliable communication device. Check official government sources for trail updates, temporary closures, and access requirements. Before heading out, review local weather and bushfire advice, including warnings and planned burns. Most importantly, let someone know your plans before you go. Being prepared ensures a safer and more enjoyable hike! Stay Safe, Explore More, and Always #ExploreSafe
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Acknowledgement of Country
Trail Hiking Australia acknowledges the Traditional Owners of the lands on which we hike and pay respects to their Elders, past and present, and we acknowledge the First Nations people of other communities who may be here today.