[2] European settlers took private ownership of the area in the late 18th century, clearing the dense bush for farmland.

[3][4] The New Zealand Army also purchased land for ammunition magazines during the World War II, to store munitions used in the Pacific Ocean theatre.

[6] When Landcorp's lease ended in June 2016, part of the land was allowed to revert to native vegetation.

[6] The company in charge of building Transmission Gully was convicted and fined for discharging sentiment into streams in Belmont Regional Park over a month-long early 2019, with sentencing occurring in 2020.

[10] In August 2018, children found an explosive shell in the regional park that appeared to be from World War II.

[5] Wellington Regional Council consulted on the future of the park in 2020,[11] opting reduce stock grazing and increase native bush and wetlands.