Real time walk. So you can judge if you are able to track the walk.
Insta360 X4 video of the Zig Zag Walkway from Laspstone to the Knapsack Bridge. The Knapsack Bridge (Viaduct) was constructed between 1863 and 1865 as part of the Zig Zag railway line from Emu Plains to Blaxland. Worth a visit and really easy travel in Sydney. We came down the Zig Zag Walkway which wasn't bad around 30 minutes but two hours return with my bung knees.
Watch on Chrome for 4K.