All that area in the South Auckland and Wellington Land Districts bounded by a line commencing at the source of the Ongarue River near Trig Station 1390 Pureora, in Block III, Hurakia SD, and proceeding southerly and easterly along a right line to and along the watershed between the Waihora and Huruhurumaku Streams to Trig Station Marotiri, in Block XII, Marotiri SD; thence south-easterly along a right line to the northernmost corner of Part Section 1, Block II, Tuhingamata East SD, as shown on SO Plan 21172; thence easterly along a right line to the Huka Falls on the Waikato River in Block XIV, Tatua SD; thence south-easterly along a right line to Trig Station 42 Tauhara, in Block III Tauhara SD; thence south-easterly along a right line to Trig Station 47 Wairango, in Block 1, Maruanui SD; thence along a right line to the northernmost corner of Kaimanawa IB in Block V, Maruanui SD; thence south-westerly along the north-western boundary of Kaimanawa IB to Trig Station Ahipaepae in Block XIV, Waitahanui S.D., and along right lines to Trig Station C Ngapuketura, in Block VII, Waiotaka SD, to Trig Station A Karikaringa in Block I, Mangamaire SD; and to Trig Station 28 Manukaiapu in Block XVI, Kaimanawa SD thence easterly along a right line to Trig Station 27 Motumatai in Block XV, Mangamaire SD; thence generally westerly along a right line to Trig Station 23 Kaimanawa (Three Kings) in Block V, Motupuha SD, along a right line in the direction of Trig Station Pouapoto in Block V, Moawhango SD; to the middle of the Moawhango River along a right line to Trig Station D Makahikatoa in Block I, Moawhango SD, and along a right line due west to a right line between Trig Station Tunutara in Block XII, Karioi SD, and Trig Station N Ruapehu in Block XI, Ruapehu SD; thence north-westerly along the right line, aforesaid, to Trig Station N Ruapehu and along right lines to Trig Station H Paretetaitonga in Block XI, Ruapehu SD, Ngauruhoe, Tongariro to the summit of the last mountain thence in a north-westerly direction to Trig Station 2465 Papakai thence in a northerly direction to Trig Station Mangakatote 2827 thence in a westerly direction to Trig Station 1545 Maungaku, in Block X, Maungaku SD; thence northerly along the summit of the Hauhungaroa Range passing through Trig Stations 1711 Hauhungaroa, in Block XIV Puketapu SD, Motere, in Block V, Puketapu SD, 2019 Tuhingamata in Block II, Puketapu SD, and 2016 Weraroa, in Block XI, Hurakia SD; thence northerly along a right line to the point of commencement.