Hike at a Glance
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Hike overview
Pack a picnic and get the family together for a great day out exploring Dharug National Park along Grass Tree circuit. This easy, undulating walking track starts near Mill Creek picnic area and meanders through rainforest and grass tree forest. It's a family-friendly bushwalking option near the Hawkesbury.
Look up into the trees for cackling kookaburras, tiny fairy wrens and honeyeaters. This is also home to the shy lyrebird, although you'll have to be quiet or you'll scare them into the undergrowth. There's also a chance you'll see a goanna or two, sunning themselves on nearby rocks.
If you've worked up an appetite, there are plenty of spots to spread out a blanket, spark up the barbecue or enjoy a leisurely picnic.
Tips
The weather in this area can be extreme and unpredictable, so please ensure you're well-prepared for your visit.
Remember to take your binoculars if you want to bird watch
Visit NSW National Parks and Wildlife Service for more information on this trail.
The longitude and latitude of the start and end points are approximately only and should not be used for navigation purposes. Please contact me if you know the correct coordinates.
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.
Walk map and GPX file
Do you have a GPX file for this hike? Feel free to email it to me so I can add it to this hikes info.
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Content use
Please don’t copy GPX files or content from this site to AllTrails or other platforms. Each trail has been personally mapped, documented, and refined to support Australia’s bushwalking and hiking community. While some details come from land managers, every listing reflects significant personal effort. This is a free, community-driven initiative—your respect helps keep it that way.
Gallery
Got any photos from this hike? Your photos can help others plan. Share shots from along the trail so fellow hikers know what to expect.
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Getting there
Getting to the trailhead: Dharug National Park.
To Mill Creek picnic area carpark. Grass Tree circuit is in the Mill Creek precinct of Dharug National Park. To get there:Travel along Wisemans Ferry Road to Mill Creek campground (20km from Spencer).Turn right into Mill Creek, where you’ll find the beginning of the trail. Park entry points Mill Creek picnic area carpark See on map Parking Parking is available at Mill Creek picnic area.
Need a rental car to get you to the hike? Find one here.
About the region
The Dharug National Park is a protected national park that is in the Central Coast region of New South Wales, in eastern Australia. The 14,850-hectare national park is situated approximately 58 kilometres north of the Sydney central business district and 25 kilometres west of Gosford.
Find a place to stay
Wondering where to stay near this hike? Find accommodation close to the trailhead — hotels, cabins and campgrounds nearby. Click the button to view the interactive map.
Closest towns to this walk: Berowra, Berowra Heights, Bilpin, Cattai, Galston, Glenorie, Grose Vale, Hawkesbury Heights, Hornsby, Kurrajong, Little Hartley, Lower Portland, Maroota, Mount Irvine, Mount Kuring-gai, North Richmond, Richmond, St Albans, Windsor, Wisemans Ferry
Let someone know
Heading out? Fill in a trip intentions form so someone knows your plans. If things go wrong, they can raise the alarm fast, giving you peace of mind on the trail.
Similar walks nearby
Looking for more walks in or near Dharug National Park? Try these trails with a similar difficulty grade.
Suggest an edit
Notice something different about this trail? Whether it’s a new feature, a route change, or a closure, share your update so we can keep our info accurate and helpful for fellow hikers.
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Explore safe
Plan ahead and hike safely! Carry enough water, pack layers for changing conditions, and bring safety gear like a torch, PLB, and reliable communication device. Check official sources for trail updates, closures, and access requirements, and review local weather and bushfire advice. Most importantly, share your plans with someone before you go. Being prepared makes for a safer and more enjoyable hike! Stay Safe, Explore More, and Always #ExploreSafe.
Packing checklists
What you carry in your pack depends on factors like weather, terrain, and your adventure type. Not sure what to bring? My free planning, food, and packing checklists are a great starting point, covering day hikes, overnight trips, and multi-day adventures. Use them to customise your kit and always prioritise safety.
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.






