| Hūnua Falls | |
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| Location | Hūnua |
| Coordinates | 37°04′07″S 175°05′23″E / 37.06861°S 175.08972°E / -37.06861; 175.08972 |
| Type | Horsetail |
| Elevation | 60 metres (200 ft) |
| Total height | 30 metres (98 ft) |
The Hūnua Falls are on the Wairoa River in the Auckland RegionofNew Zealand, near Hūnua. The land around was bought by Auckland for water supplies between 1940 and 1960.[1] The mean flow of water downstream at Clevedon is 2.6 m3 (570 imp gal)/s,[2] but can vary greatly, as illustrated in photographs showing the falls in winter and summer.
The Wairoa River falls over a basalt lava plug. Volcanic tuff rings and lava bombs are visible in the east wall of the waterfall.[3]
Several herbs have been identified near the falls - water starwort (Callitriche petriei), Crassula hunua, water pennywort (Hydrocotyle microphylla), wood-sorrel (Oxalis magellanica).[4]
The Wairoa has smaller falls. Lily Falls (also known as Wairoa Falls)[5] were described as 70 ft (21 m) high[6] and 3 mi (4.8 km) downstream from Hūnua, in the Wairoa Gorge.[7]Aphotograph appeared in 1901.
As well as tracks to the Hunua Ranges, there are two 30 minute walks; The Lookout Walk and the Upper Lookout Walk. The cliffs are used for abseiling.[8]
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