Andrew Bruce Newman, 34, Trevor Arthur Perry, 56, and Michael Wayne Jones, 53, each face a variety of charges.

Perry faces 11 charges, including four counts of possessing a prohibited drug, supplying an indictable quantity of cannabis, two counts of cultivating a prohibited plant, two counts of possessing a prohibited weapon, possessing ammunition without a license and participating in a criminal group.

Newman and Jones are both charged with cultivating a prohibited plant and participating in a criminal group.

A co-accused Rodney Glen Fisher, 56, is also charged with cultivating a prohibited plant and participating in a criminal group and has previously appeared before the court.

Court papers said between January 2 and April 2 the men were allegedly part of a group cultivating cannabis in the Yerriyong area, south west of Nowra.

The Proactive Deployment Unit from South Coast Police District started investigations into large-scale cannabis cultivation in the Jerrawangala and adjoining state forests south-west of Nowra in January 2018.

On April 3, local police - accompanied by officers from the State Crime Command Drug and Firearm Squad and other specialist units - conducted several searches of bushland.

A total of 203 mature cannabis plants, with an estimated potential street value of $400,000, were located, identified and destroyed, near Turpentine Road at Parma.

Officers executed search warrants on properties at Sanctuary Point and South Nowra the following day and seized a number of items, including cannabis plants, leaf and cuttings along with GPS and communications equipment for further forensic examination.

A number of pepper sprays and a phone Taser were also allegedly located.

The trio, who appeared before registrar Craig Cockburn in Nowra Local Court, did not enter an pleas. Their bail has been continued.

Perry and Jones will reappear on April 30 and Newman on June 5.

Fisher has also not entered any pleas to the charges and will reappear on June 19.