Maymorn southern portal of the Rimutaka railway tunnel, which opened in 1955 and replaced the Rimutaka Incline railway line which ran over the Rimutaka Range. The old route passes within 40 metres over the tunnel's exit. Maymorn Maymorn is a rural area of Upper Hutt city in the Wellington region of New Zealand consisting of Rural Hill and Rural Valley Floor zones. For statistical purposes, Maymorn is counted as part of Te Marua in the New Zealand census. The usual resident 2013 population of the Te Marua area was 1,152. The area is a tranquil setting consists of lifestyle blocks and
Dularcha Railway Tunnel the southern approach of the tunnel runs parallel to the current North Coast Line rail track. The tunnel runs on a north–south axis. Two semi-elliptical concrete portals are located at the north and south openings of the tunnel. The tunnel is concrete-lined throughout with cuttings at either end. A vehicular dirt track in the National Park in part following the original rail line now removed, passes through the Dularcha Railway Tunnel joining the two towns. The tunnel is approximately long and curves slightly towards the northern portal. The northern and southern portals are both similar in structure and design. They