The last surviving member of the 28th Māori Battalion also wants an apology for how Māori soldiers were treated after the war.
The Tūpuna Maunga Authority will be working with DOC on a scheme over the next three years which aims to rid the region of pests.
The Miraka brand has grown in leaps and bounds since its birth in 2009.
The Defence Force is encouraging descendants of New Zealand's 28th (Māori) Battalion veterans to apply for their unclaimed ancestors war medals.
The Rangiriri Pā opened to the public on Saturday as part of new iwi-led tourism venture.