RHYL homeowners battling weeds growing into their gardens have been told they could face a £1,000 fine if they cut them.
Residents in Llys Tudor and the surrounding area say brambles and weeds growing alongside the railway track behind their homes are causing damage to their properties.
Concerns have also been raised about potential fire risk if they were to catch light.
Phil Worley, 67, who lives on Llys Tudor, said brambles are growing into their back garden.
He said: "It's a nightmare. The undergrowth is invading and trespassing on our property.
"We have permission from them to cut back and throw over the cuttings onto their property.
"Anyone with half a brain knows that pruning weeds back only encourages more growth. I have been threatened with a £1000 fine for trespassing if I go over the wall.
"To date we have a damaged wall and the roof of our shed. As well as numerous scratches and cuts."
Rhyl councillor Brian Blakeley said he was concerned about damage to properties.
He said: "It is happening all along the track.
"There could be a major fire problem there if they caught light.
"These brambles are growing in people's gardens, Network Rail have a duty of care."
Calls have also been made to improve the condition of verges across the North Wales coast line.
Ann Jones, AM for the Vale of Clwyd, said: "I have written to Network Rail to urge them to sort out this problem.
“I have been working with constituents in Rhyl and Prestatyn who have been affected by poor upkeep of the verges on the rail line and I have told Network Rail that they really need to up their game and improve their maintenance record on the North Wales coast line.”