That portion of the late Province of Otago lying east of the Mataura River bounded towards the East by a line drawn from Chasland’s Mistake to Black Horn Hill thence by the watershed line to the Forest Range and by the watershed of that range and the east boundary of Run No. 162 to Catlin’s Cone thence by the south-west and south boundaries of Run No. 258 to Cairn Peak thence by the boundary of Run No. 132 and the Kaiwera and Waipahi Streams to the boundary between Runs Nos. 131 and 167a thence by the south and west boundaries of Run No. 167a thence by part of the Waikoikoi Stream and by the north-west boundary of Run No. 167b to the east branch of the Waikaka and thence by the east boundary of Run No. 175b thence by the north boundary of Run No. 175b to the Waikaka River thence on the East by the Waikaka River to its source near the Black Umbrella thence by the watershed of the Umbrella Mountains to the head of Timber Gully thence on the North-east by Timber Gully and Rocky Creek to its source near Rocky Mount thence by the north-east boundary of Run No. 359 to the Nokomai Stream thence by a line running through Lorn Peak to Lake Wakatipu thence by the west shore of Lake Wakatipu to Round Peak thence by a straight line running due west to Moffatt Peak thence by a line due west to a point north-west of Barrier Peaks thence by a line running due south to the ocean at Rowallan Burn.