The walking tracks to the Cathedral Cove will be closed over summer.
DOC says landslips and rockfalls have made some tracks impassable, and there are no quick fixes.
It's also urging people to stay away from the cove altogether.
Cathedral Cove Scenic Cruises's Ken Hindmarsh spoke with Heather du Plessis-Allan.
LISTEN ABOVE

Chris Hipkins: Labour leader on the party unveiling its new SolarSaver package ahead of the election
05:14

Enda Brady: UK correspondent speaks ahead of Trump appearance at NATO summit
03:54

Hamish McKay: The Country spokesperson on the impacts of the rain in Kaikōura
03:25