The suspicious fire which started on the banks of the Taylor River near West Mount School is contained and now under control.
Source: 1 NEWS
"Our crews will now need to work hard to cement the gains from their efforts this afternoon," said Marlborough Kaikoura Rural Fire Authority Principal Fire Officer Richard McNamara.
"Specialist investigators from Urban and Rural Fire have arrived on site to help determine the cause of the fire, which is suspicious."
A night crew will remain on site to dampen down hotspots and keep a presence overnight.
Crews are bringing in bulldozers tomorrow to help control any underground hotspots.
Access in the area is restricted to residents only.
The Taylor River walkway near the Resource Recovery centre and the Wither Hills Farm Park are closed and members of the public have been directed to stay well away from the area.
A total fire ban remains in place across Marlborough.