Several days have been set aside in December in the New South Wales Land and Environment Court for a legal challenge to the gold mine near West Wyalong.

The case against the State Government and the mine's operator, Barrick Australia Limited, made by Neville Williams, has been listed for hearing on Monday, December 17.

The case is expected to last up to three days.

Mr Williams is seeking a declaration from the court that a proposal to extract additional ore from the mine is not a request for moderation of a development consent under the law.

The State Government and Barrick Australia are defending the matter.

The mining company wants to undertake a number of works at the Lake Cowal site which would allow it to extract a further 53 million tonnes or ore from the open cut pit.