Update | Girl in the pink pyjamas found safe and well at Rockley

12:00PM UPDATE: A four-year-old girl has been found safe and well after spending a night alone and outdoors on a farm south of Bathurst.

The little girl was reported missing about 7.30pm on Saturday and police launched a large scale search late into the night on the farm at Rockley.

The search resumed at first light this morning and the little girl was found around 10.30am.

She was 1.2 kilometres from the family home but despite spending the night outside wearing only pink pyjamas and no shoes, she was in good health.

Paramedics treated the little girl for slight dehydration before she was taken to Bathurst Base Hospital for a full check-up.

10AM UPDATE: Police divers have arrived at a property south of Bathurst as the search continues for a four-year-old girl reported missing overnight.

It is understood divers will search a dam on the farm at Rockley as the desperate hunt for the little girl continues.

State Emergency Service volunteers have joined the search which resumed at first light this morning, alongside police officers, Rural Fire Service volunteers, PolAir, the Police Dog Unit and NSW Ambulance crews.

The little girl was reported missing about 7.30pm last night.

She was last seen wearing a long-sleeved pink nightshirt.

EARLIER: A SEARCH for a missing four-year-old girl on a property south of Bathurst will continue this morning.

The child was reported from the Rockley property, approximately 35 kilometres from Bathurst, about 7.30pm last night.

At the time she was last seen the child was wearing a long-sleeved pink nightshirt. She is 110-115cm tall, of slight build, Caucasian appearance and blonde hair.

A search of the property was conducted throughout the night but the child was unable to be found.

The aerial and ground search is expected to resume around first light today.

Personnel from Chifley Local Area Command, PolAir, the Police Dog Unit, NSW Ambulance and local SES and RFS volunteers will be involved in the search.

Police are urging anyone with information in relation to this incident to call Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page.

Information you provide will be treated in the strictest of confidence.