Earlier today, the Wombeyan Caves Road and the Wombeyan Karst Conservation Reserve, which includes Wombeyan Caves, was closed.

The road is closed from the Oberon Road through to the High Range Road.

Roads remain open to local traffic only.

"Work is currently being done to establish and strengthen existing control lines," a spokesperson from the RFS said.

"There may be an increase in activity over coming days as the work continues.

"These closures are not due to back burning operations at this point in time, but for public safety - especially in the camping areas and walking tracks."

People in the area should remain vigilant and keep up to date with the bushfire activity.

NSW RFS website - major fire updates: Green Wattle Creek https://www.rfs.nsw.gov.au/fire-information/major-fire-updates

Bushfire information line: 1800 679 737

Weather conditions: http://www.bom.gov.au/

Wombeyan Caves Road and the Wombeyan Caves National Park is closed to the public due to bush fire activity.

It is for public safety, a spokesperson from the NSW Rural Fire Service said.

Road access will remain open to local residents.

Earlier this week the Green Wattle Creek bushfire began to burn in the north-east of the Upper Lachlan Shire.

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Residents can stay informed on the RFS website rfs.nsw.gov.au or the Fires Near Me app for smart devices. Stay up to date by calling the NSW RFS Bush Fire Information Line on 1800 679 737. If your life is at risk, call Triple Zero (000).

For information on road closures, check Live Traffic NSW.