Fire officers helped several people from cars that were surrounded by mud and debris.
Photo: RNZ / Nate McKinnon
The 30m wide landslide fell onto the Mokau Rd section of State Highway 3.
A Fire and Emergency spokesperson said crews went to scene about 11pm on Monday.
Fire officers helped several people from cars surrounded by mud and debris.
One lane of Mokau Road has reopened.
A man whose home is near the slip said he thought it would take days to be fully cleared.
The resident said the hill from where the slip fell was heavily waterlogged after a night of rain.
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