Work is taking place at South Barrule Plantation to remove storm damaged trees.
DEFA expects the work to take several months to complete, with fencing and public notices in place to show any diversions or restrictions.
The department said it's aiming to keep the main forest roads open, but some restrictions will apply at times.
The Viking mountain bike trail will be closed throughout the works.
South Barrule's outdoor activity businesses will operate as normal.
What's being done to tackle crash blackspots?
What's being done to tackle accident blackspots on the Island's roads?
New TT schedule will be reviewed on yearly basis
The new TT schedule will be reviewed each year as part of an existing procedure, according to the enterprise minister.
No successful driving theory test appeals in past 10 years
No one has successfully appealed the result of a driving theory test in the past 10 years.
Steam Packet announces tomorrow morning's sailings will go on time
The Steam Packet's announced the Manxman's sailings tomorrow morning, Friday, October 31 will depart as scheduled, having previously been in doubt.
Firefighter to raise money by wearing full gear in fitness competition
An Island firefighter will be taking part in a fitness competition whilst wearing full gear, including breathing apparatus and oxygen tank.
How much has the Department of Infrastructure claimed for property damage?
How many times has the Department of Infrastructure claimed money from others for property damage?
Visa fraudster convicted in Isle of Man immigration scam
The Department of Home Affairs has welcomed the conviction of 25-year-old Sagar Joon.
Crowds gather for Maccies re-opening after £1.6m upgrade
Crowds have been flocking to the grand re-opening of McDonald's this morning.
