The Department of Infrastructure says it's been forced to close part of Colby Glen.
It took to Facebook to say a landslide means the lower path and entrance have been shut.
The upper glen entrance and paths remain open.
It's not known how long the closure will run.
Unemployment falls, according to new stats
Unemployment on the Island fell slightly in May - but is still up on last year's totals.
Planners approve levelling of football field
Douglas council has been given the green light to level off a sloping football field in Noble's Park.
Fire service warns Citroen drivers over airbag recall
People who drive a Citroen C3 or DS3 car could be at risk from serious airbag faults.
TT filming by public under the spotlight
Are you allowed to film or livestream the TT?
Port Erin RNLI gets a new lifeboat
The southern branch of the lifeboat charity has welcomed its new fast craft to the station.
Wing and a scare - raven rescued by coastguards
Coastguards in the south of the Island were called on to rescue one of the Island's symbols last night.
Former Lloyds TSB in Ramsey up for sale
Could you take over a disused bank in Ramsey?
Post halted to Iran and Israel
The Island's post office says services to Israel and Iran have been suspended.
