A ten-day improvement scheme at Colden Plantation is due to begin today (Wednesday).
Contractors will be working on the access roads to the car park and Angels Wood.
A DEFA spokesman said the work is expected to take 10 days to complete.
Car parks will be closed for a short time and signage and restrictions will be in place.
Manx Language Festival to be held next week
Manxman sailings in doubt from tomorrow
Car falls down steep bank on Mountain Road
Panic over - Mcdonald's reopens at 11am tomorrow
Police say beat it to cars illegally parked during MJ tribute act
No dedicated prostate cancer screening programme, despite over 1,200 referrals
Minister says GP waiting times have improved, but delays still impact A&E
Crash closes section of the Mountain Road