The pass was formally named on 17 December 2015 when the Minister of Land Information confirmed the decision of the New Zealand Geographic Board.
Narrow and winding, State Highway 2 crosses the range from the Hutt Valley to Featherston at the saddle where it meets the Tararuas.
At the road's summit is a lookout point where there were usually tea rooms and well-guarded facilities maintained by residents.
After disputes over toilets and land ownership between the then still new Greater Wellington Regional Council and a series of tenants the building sat empty, was severely damaged by fire in April 2009[4][5] and later demolished.
[7] During World War I over 30,000 New Zealand soldiers marched between military camps at Trentham, Upper Hutt and Featherston via the Rimutaka Hill Road, in a three-day trek of 27 miles (43.5 km).