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
Yimbun Railway Tunnel ceased. The Yimbun Railway Tunnel, constructed in 1910 on the section between Yimbun and Blackbutt, is the only tunnel constructed along the entire Brisbane Valley Branch Line and one of only three remaining intact major rail structures on the Brisbane Valley Rail Line, the others being the Lockyer Creek Railway Bridge at Clarendon and the Harlin Rail Bridge. Of the 55 railway tunnels constructed in Queensland between 1865 and 1931, only nine are recorded as located on branch lines. The place is important in demonstrating the principal characteristics of a particular class of cultural places. The Yimbun Railway Tunnel is