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
Rimutaka Incline the Rimutaka Incline Railway Heritage Trust was inaugurated with the intention of reinstating the Rimutaka Incline in four stages: Upper Hutt to Summit; Wellington to Upper Hutt (using KiwiRail's Wairarapa Line); Summit to Cross Creek; Cross Creek to Featherston. The base of operations is on land leased from KiwiRail at Maymorn. Largely thanks to the establishment of the Remutaka Rail Trail, most of the original formation has been preserved and is proposed to be incorporated into the reinstated rail operation, with new works required at Maymorn to link the original formation to the station yard and a deviation at Kaitoke