UPDATE:
Two men missing in the Barrington Tops have been found safe and well this morning.
It's believed the pair had been canyoning and abseiling in the national park when they were hit by torrential rain and storms at about 6.30 last night, activating an emergency beacon.
The Hunter's Westpac Rescue Helicopter winched an Ambulance Paramedic down to the pair just before 10.00 am this morning.
They've both been winched out of a 160-foot canyon and flown to safety.
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EARLIER
Police say a personal locator beacon was activated by two men just after 6.30 last night, however poor weather has prevented a search from getting underway until this morning.
However, a vehicle belonging to the men was located on Williams Tops Road near Lagoon Pinch Road
It's understood the men, aged 48 and 46 had been canyoning and abseiling in the national park.
Police from the Port Stephens/Hunter District have been joined by personnel from Australian Search and Rescue and the Hunter's Westpac Rescue Helicopter in the search for the pair.
