Grade 2

Lapstone Viaduct & Zig Zag Walk (3km)

Knapsack Reserve

New South Wales

3km

1.5 hrs

Grade 2

One Way

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Hike at a Glance

Quick overview: Experience a piece of Australian history on this 3km hike over the Blue Mountains, taking in the historic Knapsack Viaduct - once the largest in Australia. Starting from Wentworth Falls, this Grade 2, easy-level walk is perfect for bushwalkers looking to glimpse the past. Traverse the now pedestrian-only bridge, enjoy stunning views of the gully, and explore the zig-zag path of the old railway line. Perfect for a 1.5-hour outing, immerse yourself in the natural beauty of the Blue Mountains with this unique trail.

Max elevation: 169m

Min elevation: 88m

Total Ascent: 159m

Hike overview



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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.

Walk map and GPX file

Lapstone Viaduct & Zig Zag Walk (3km)


Getting there


Getting to the trailhead: Knapsack Reserve.

Get there with Google Maps

Closest towns to this walk: Blaxland, Glenbrook, Lawson, Springwood, Wentworth Falls

About the region


Similar walks nearby


Looking for more walks in or near Knapsack Reserve? Try these trails with a similar difficulty grade.

Grade 2
Grade 2
Grade 2
Grade 2

Track grade


Grade 2 (Easy) - A Gentle Introduction to Inclines: Grade 2 on the AWTGS represents easy walking tracks that offer a slightly more challenging experience compared to Grade 1. Similar to Grade 1, no prior bushwalking experience is required. The track surface is typically hardened or compacted and may have gentle hill sections or occasional steps. The total distance of a Grade 2 walk is typically no greater than 10 kilometers. These walks are still suitable for families with a bit more experience or those seeking a gentle introduction to some inclines.

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.

Let someone know


Before heading out, take a moment to fill out your trip intentions form. It’s a quick way to share your hike details with family or friends. If something goes wrong, they can notify emergency services, ensuring a faster response and peace of mind. Stay safe and enjoy your adventure

Reviews

Lapstone Viaduct & Zig Zag Walk (3km)


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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.

Acknowledgement of Country

Lapstone viaduct & zig zag walk (3km)

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.

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