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The Environment Court ruled in August that no resource consent existed, or ever existed, for the hill to be quarried.
It is expected to decide soon whether that means quarry owner Saddle Views Estate Ltd has existing use rights to quarry the hill and, if so, the level of those rights.
Company director Calvin Fisher said it would have been preferable to have both decisions before appealing, but time limits required the appeal be lodged. The appeal was based on points of law and opinion, he said.
''The evidence we produced was factual, hard-hitting and accurate, and was written by people right up to the minister of the Crown, and we believe the result requires us to go to the High Court to argue it out.''
The court stopped the company from quarrying the ridge line last November after the council applied for an injunction until a decision was made on the consent and use rights.
Dunedin City Council hearings panel committee chairman Cr Colin Weatherall said there was relief in August when the court made the key decision, that no consent existed, in a long-running dispute. But an appeal was ''not unexpected'' and the council would participate in the process to follow.