Police are appealing for information after a large amount of bubble wrap and boxes were dumped in a stream.
In a post on social media officers say it happened 'sometime in the past few days'.
The items were dropped near the Gooseneck section of the Mountain Road.
Anyone who may have information is being asked to contact Ramsey Police Station.
Bus strike: Manx Care issues advice to patients
Manx Care's issued advice after talks between drivers and the government failed to avert this week's bus strike.
MGP newcomers on their way to see the course
Newcomers to the TT course will be on the Island this weekend.
Strike mean no school buses, says Bus Vannin
Bus Vannin says strike action will mean no school buses next week.
Financial regulator warns of email fraud
The Island's financial regulator is warning people about scammers who are impersonating it in fraudulent emails.
Strike bus timetables released
The Department of Infrastructure has published the contingency timetables for buses during upcoming strike action.
Yellow weather warning for Saturday's high tide
Ronaldsway Met Office has issued another warning for coastal overtopping.
Garage chain ready for bus strikes
An Island filling station chain says it plans to open as normal as normal during a 10-day bus strike, after making some staffing changes.
Joe Locke may reprise superhero role
Manx actor Joe Locke could be returning to his Marvel superhero role, according to reports in the US.
