About 6.30pm on Sunday, officers from Riverina Police District were alerted to reports that a 10-year-old girl had been sexually abused by a man known to her at a park in Cootamundra.

A crime scene was established and examined by specialist forensic officers, while detectives from the Child Abuse and Sex Crimes Squad commenced an investigation.

Following inquiries, a 40-year-old man was arrested at a Cootamundra home about 3.15pm yesterday, and taken to Cootamundra Police Station.

The man was charged with detain person with intent to commit serious indictable offence (kidnapping), aggravated sexual act, incite child to sexually touch, and unlawful entry on inclosed lands.

Police will allege in court that the man, who is known to the girl's family, forced his way into a toilet cubicle with the girl at the park, and detained her before allegedly committing a sexual act towards her and inciting her to touch him.

He has been refused bail to appear at Wagga Local Court today.

In court, the man was refused bail and the charges were adjourned to Young Local Court on August 4.

The Child Abuse and Sex Crimes Squad is comprised of detectives who are specially trained to investigate matters against children and adults, including sexual assault, serious physical abuse, and extreme cases of neglect.

Anyone with concerns about suspected child abuse or exploitation should call Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page: https://nsw.crimestoppers.com.au.