Echuca police said they had received a report of indecent and offensive behaviour by a man on the Campaspe Esplanade bike path about 4.45pm on Tuesday.

This male is described as being of Caucasian appearance, aged in his 30s, about 5 foot 8 inches tall with long blonde hair and an unshaven, skinny build.

He was wearing sunglasses, a high visibility green top and khaki pants.

Police urged anyone with information to call the Echuca station on 54831500 or Crime Stoppers.

Have you signed up to the Bendigo Advertiser's daily newsletter and breaking news emails? You can register below and make sure you are up to date with everything that's happening in central Victoria.