With a steady volume of visitors expected to make their way to the Hawkesbury over the coming holiday season, council is preparing to increase its maintenance crews to popular haunts, including the likes of Yarramundi and Navua reserves.
It will also increase parking patrols, but with an intent to direct not fine.
Councillor Danielle Wheeler called for the six week trial, which will be subject to staff availability, and in the case of Bilpin and St Albans, local patrol alternatives.
"I suspect that we're going to have a healthy supply of visitors throughout the six weeks of the school holidays," she said.
"I think some of these places we're just not cleaning enough and hopefully we will have some data from this trial.
"We only clean Yarramundi Reserve on a Saturday over a long weekend and then we clean Navua on a Sunday over a long weekend ... it explains many of the letters of complaint that we receive from the community."
Cr Wheeler said that while rubbish sits in the reserves it was easy for it to end up in the river.
"That makes a problem for us down the track and I think this is one of those instances where the money that we spend up front [on maintenance crews] probably saves us costs in the long term.
"I think given that we have this tourist boom here that we're very appreciative of, I think we're just going to have to suck it up and accept that its going to cost us a little bit more to provide people with a reasonable level of amenity and cleanliness.
"That will stand us in good stead because then they will come back. If they come and they think that the place is filthy, they won't."
Councillor Mary Lyons-Buckett said council should also consider a campaign based on "reinvigorating some pride in our surroundings where we educate people and encourage people to keep their own areas clean".
"We want people to be proud of our city and certainly want people to return once they've been here," she said. "And the cleaner places are the less likely people will be to just hurl rubbish out the window of the car or drag a mattress up there to join the rubbish that's already there.
"I think its money well spent to present our city the best we can."