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Kai Iwi, Whanganui
10 km
4 hours 30 minutes
530 metres
Safety notice: Conditions change; check DOC/local council/weather before walking.
If you are looking for a slice of backcountry magic without straying too far from the creature comforts of Whanganui, the Waitahinga Trails are calling your name. Tucked away inland from Kai Iwi, just past the well-known sanctuary of Bushy Park, lies a network of tracks that feels like a well-kept local secret. Whether you are a seasoned tramper looking to test your lungs or a family seeking a weekend "bush fix," this area offers a stunning tapestry of regenerating forest, historic engineering, and vistas that will make you forget the climb in an instant.
Owned by the Whanganui District Council and maintained with incredible dedication by the Wanganui Tramping Club, these trails were developed between 2012 and 2013. They represent a labor of love, turning a decommissioned water catchment area into a premier hiking destination. From the moment you step off the gravel and into the shade of the rimu and rata, you’ll feel the unique energy of the Whanganui wilderness.
The crown jewel of this network is the Waitahinga Dam Loop. Spanning roughly 10 kilometres, this trail is a solid four-to-five-hour mission that earns its "moderate" difficulty rating. Don’t let the word "moderate" fool you into complacency, though—with 530 metres of elevation gain, your calves will definitely know they’ve been for a walk by the end of the day.
The journey begins at the Quarry Carpark, where you’ll immediately be enveloped by a lush native canopy. The terrain is classic New Zealand bush: a mix of soft leaf litter, muddy patches after a bit of rain, and more than a few technical sections. As you move toward the ridges leading to and from the dam, the trail becomes more "rooty" and exposed. You’ll find yourself navigating a natural staircase of ancient tree roots, which requires a bit of focus and decent footwear.
The highlight, of course, is reaching the historic Waitahinga Dam. Standing at the edge of this 1904 concrete structure, you can almost hear the echoes of early 20th-century Whanganui. It served as the city’s primary water supply for nearly a century before being decommissioned in the 1990s. Today, it sits silently in the bush, a moss-covered relic of the past that provides a perfect halfway point for a snack and some photos.
If you aren't up for the full 10km loop, the area is incredibly kid-friendly thanks to shorter options. The Picnic Dell is a gentle 10-minute stroll, while the 'Chicken Run' is a popular one-hour loop. Don't be discouraged by the name; the 'Chicken Run' is a fantastic walk in its own right and leads to some of the best viewpoints in the region.
The well-signed Quarry Carpark is located at the start of a private quarry road. It has limited space, so arriving early is recommended, especially during peak times. The carpark is not suitable for large vehicles like buses or caravans. Note that there are no public toilets at the carpark or along the trails, so plan accordingly.
Get DirectionsKeep an eye out for these native and local bird species along the trail
Prosthemadera novaeseelandiae
Endemic New Zealand honeyeater with distinctive white throat tuft and iridescent plumage. Known for its complex and beautiful song.
Best time: Year-round
Rhipidura fuliginosa
Small insectivorous bird with distinctive fan-shaped tail. Friendly and curious, often following walkers through the bush.
Best time: Year-round
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Loop
The Waitahinga Trails are packed with character, and there are several spots you simply can't miss:
To find this hidden gem, head north-west from Whanganui toward Kai Iwi. You’ll turn inland and head past Bushy Park Tarapuruhi. Be prepared for a bit of a rural adventure: the final 10 kilometres of the journey are on an unsealed gravel road. While a standard car can usually handle it, a vehicle with a bit of clearance is recommended, especially after heavy rain when the road can become a bit corrugated.
The trailhead is located at the Quarry Carpark. Look for the clear signage at the start of the private quarry road. Space is quite limited here, and because it’s a working area, the carpark isn't suitable for large campervans, buses, or caravans. It’s best to arrive early, particularly on weekends, to snag a spot.
Crucial Note: The trails are closed every Tuesday for pest control operations. Additionally, the council closes the tracks for the entire months of July and August. Always check the calendar before you load up the car!
The Waitahinga Trails are a haven for native birdlife, and the lack of crowds means the forest is often ringing with song.
For the best birdwatching, start your hike early in the morning when the "dawn chorus" is at its peak.
The Waitahinga Trails sit on land that is deeply connected to Whanganui’s growth. Before the city drew its water from the river or deep bores, the Waitahinga Dam was its lifeblood. The engineering feat of building a dam in such rugged terrain in 1904 is a testament to the grit of the early settlers.
Today, the focus has shifted from utility to conservation. The area serves as a vital corridor for native species moving between the coast and the inland ranges. The work of the Wanganui Tramping Club in reviving these tracks is a shining example of "Kiwi ingenuity" and community spirit, ensuring that the history of the dam isn't lost to the scrub.
Once you’ve conquered the 530-metre climb and returned to your car, you’ll likely be craving a treat.
The Waitahinga Trails offer a perfect blend of physical challenge and natural beauty. It’s a place where history and nature walk hand-in-hand, providing a rewarding escape for anyone willing to venture a little way off the beaten track.
Gerygone igata
Small greyish songbird also known as Riroriro. Has a distinctive trembling song often heard before seen.
Best time: Year-round
Hemiphaga novaeseelandiae
New Zealand wood pigeon, a large native bird with iridescent green and purple plumage. Important for seed dispersal of native trees.
Best time: Year-round
Anthornis melanura
Endemic songbird with bell-like calls. Males are olive-green with a purple head sheen; females are browner with a narrow white-yellow stripe across the cheek.
Best time: Year-round
Petroica longipes
Friendly forest bird that often approaches walkers. Found in native bush reserves across the North Island.
Best time: Year-round