With tourism playing a major part in the region's economy, fears are mounting over the impact coal-seam gas mining may have on the Myall Lakes and surrounding areas.

"I'm very concerned about the negative effect it will have on tourism," Bulahdelah Chip Shop owner, Kieran Parry-Jones said.

"I can't see it having any positive effect on our community. We rely on tourism and agriculture for our way of life in this region."

After recent public meetings, many landholders are taking action and joining the Lock the Gate campaign against the industry.

Bulahdelah traders are posting signs on their shop fronts promoting the campaign.

"I'm very concerned about coal seam gas mining contaminating our water supply and potentially decreasing our property values" real estate agent Brian Ede said.

"We just don't want them here, they're not welcome".

"I agree," added Dick Ahmling owner of a nearby cafe. "I think it will greatly affect the ambience of our community and that it poses an unquantifiable risk to our environment. The science isn't in yet, we just can't risk it".

United Myall Residents Against Gas Extraction (UMRAGE) is seeking support from chambers of commerce throughout the region.

"It's really important to get everyone in the community on board," said UMRAGE spokesman Troy Lawrence.

It is not just those in hospitality and real estate who are concerned.

Kate Dorney, owner of the local grain and rural produce store said she was very worried about the knock-on effect mining could have.

"If they damage our beautiful lakes and rivers the tourists will stop coming," she said.

The Bulahdelah business chamber will discuss the issue at its next meeting.