Tunnels in New Zealand
This list of Tunnels in New Zealand
is a link page for any railway tunnel
tunnel or waterway
tunnel, including any hydroelectric
intake or tailrace or gun battery tunnel anywhere in the New Zealand
. It includes man-made chambers but excludes caves
- Note: This list is not exhaustive.
New Zealand Railway Tunnels at 31st March 1975
Exploring New Zealand's Ghost Railways, David Leitch and Brian Scott, Grantham House Publishing, Wellington (1995).
Hydroelectric Tunnels and Chambers
- Manapouri Power Station
- Manapouri Tailrace - 2 Tunnels
- Tongariro Power Scheme
Gun Battery or Military Tunnels
From longest to shortest.
- Kaimai - 8879 m - opened 12 September 1978 - at Apata on the East Coast Main Trunk Line to Tauranga.
- Rimutaka - 8798 m - opened October 29(?) 1955 - between Upper Hutt (Wellington) and Featherston (Wairarapa), replaced the Rimutaka Incline, a Fell mountain railway.
- Otira - 8566 m - opened 1923 - between Arthurs Pass and Otira, in the Southern Alps on the trans alpine South Island Midland Line - continuous 1 in 33 grade - electrified until 1990s.
- Tawa No. 2 - 4324 m - opened 1935, goods on 1 line, 1937 all traffic - longest double track tunnel in New Zealand. Between Wellington and Tawa.
- Tikiwhata - 2989 m - opened 1943, between Wairoa and Gisborne.
- Lyttelton - 2596 m - opened 1867, between Heathcote valley, (Christchurch) and Lyttelton.
- Turakina - 2091 m - opened 1947, between Marton and Wanganui.
Shortest Tunnels not constructed by the cut and cover technique
- A 39.83 m long tunnel - opened 1906, between Staircase and Avoca, South Island Midland Line.
- A 42.05 m long tunnel - opened in 1891, near Woodville, in the Manawatu Gorge.
Some Disused Railway Tunnels
- Cruickshanks Tunnel - opened January 1 1878, between Mangaroa and Upper Hutt.
- Mangaroa Tunnel - 152 m - opened January 1 1878, at Tunnel Gully recreation area, Te Marua, Upper Hutt.
- Summit - 584 m, and 3 other shorter tunnels, opened October 12 1878 on the Rimutaka Incline walkway.
Sources for Railway Tunnels:
See also: List of Tunnels of the World
- Lyttelton Road Tunnel - 1900 m - opened 1964, on SH74 between Lyttelton and the Heathcote valley in Christchurch.
- Homer Tunnel - 1200 m - opened 1953 on SH 94 between Hollyford Valley and Milford Sound, Fiordland. Altitude 945m. Unlined rock, unlit.
- Victoria Tunnel - 600 m - opened 1931, Mount Victoria, Wellington
- Karori Tunnel, Kelburn Wellington
- Hataitai - bus tunnel, Mount Victoria, Wellington
- The Terrace Motorway Tunnel, under The Terrace, Wellington
- Moki Tunnel - approx 200 m, SH43 between Whanagmomona and Taumarunui - uses wooden shoring.
- There are 2 short road tunnels on State Highway 1, on the coast a few kilometres south of Kaikoura
- There are short tunnels on SH3 between New Plymouth and Te Kuiti - one at the summit of Mt Messenger and one in the Awakino gorge.