Trails WA supports the seven principles recommended by Leave No Trace Australia for minimising your impacts when using the trails.
Learn moreThe Contour Channel walk follows a series of man-made concrete channels and steel and cast-iron pipelines along the contours of the Darling Scarp through Roleystone and Kelmscott. The project was a Depression era public works scheme and constructed, mostly by manual labour, between July 1935 and December 1936 to carry potable water from just below Canning Dam through the hills to a pumping station near Gosnells by following the natural contours of the Canning Valley and scarp - hence it was entirely gravity-fed. The channel supplied drinking water to the metropolitan area of Perth from 1940 to 1975.
The walk trail passes through forests of Marri and Flooded Gums and offers great views over Perth City and the Swan Coastal Plain. The area nearer to Canning Mills Road has a rich and diverse range of wildflowers from July to November.
Kangaroos and Black cockatoos can often be seen throughout the woodlands here.
Comprehensive information on the Perth region including destinations, things to see and do, accommodation and tours.
Here is everything you need to know before visiting this trail.
2 to 3 hours
7km return
Steep sections.
Group B (Bushwalks and/or longer trails) required.
Group B (Bushwalks and/or longer trails)
No drinking water or toilet facilities in park.
Loose gravel paths throughout park.
Grade 3
Suitable for most ages and fitness levels. Some bushwalking experience recommended. Tracks may have short steep hill sections a rough surface and many steps. Walks up to 20km.
Visit Trail Tips for further information.
There are a few steep sections.
Trail is mostly loose gravel paths.
Avoid entering the park on high fire risk days.
Snakes may be active during the warmer months - August to April.
All year round. For wildflowers the best time is August to November.
By road, 2WD. There is a small amount of parking just off Canning Mills Road, look for the sign for Banyowla Regional Park.
Off-road vehicles and fires prohibited.
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Earn the Wildflower Wanderer badge when you complete this trail.
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Trails are free and bring so many benefits to our community by providing opportunities to have fun, get fit, socialise, explore and challenge yourself. But they also have to be managed and maintained which only is made possible through terrific sponsors, donations and/or volunteering.
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A concrete section of the Canning Contour Channel.
Pipeline used to siphon water from one section of the Channel to the next across the valley.
Part of the old Contour Channel
View 5 Photos of Contour Channel Walk, Banyowla Regional Park
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Less than 1 hour
1.1km
