State Highway 65 between Murchison and Springs Junction has reopened.
The regions is drying out after slips and heavy rain in the past few days caused river levels to rise and isolated flooding around Nelson.
Yesterday State Highway 65 was closed from O'Sullivans Bridge to Springs Junction, but it was reopened this morning, the New Zealand Ttransport Agency said.
All other Nelson roads are open after some closed due to the weekend's wet weather. Else where in the South Island, State Highway 73 at Springfield to Arthurs Pas remains closed due to a slip.
Sandbagging in the Nelson region prevented further damage to property after several Murchison homes were flooded on Sunday.
In Golden Bay, the Takaka-Collingwood Highway at the Waitapu Bridge was closed on Sunday due to debris on the road and because the river was moving extremely quickly.
Yesterday morning the damage subsided as peak rains eased and the drizzly rain cleared.
In the 24 hour to Sunday 230-300 millimetres of rain fell in ranges behind Golden Bay, with intensities reaching 15-25mm per hour briefly at 6pm Saturday and 6am Sunday.
Takaka received 200mm and 20mm per hour was recorded at Kotinga prior to 7am. About 190mm fell in the ranges behind Tapawera and St Arnaud.
Rainfall of 140-220mm fell in the ranges behind Nelson.
The Maitai River peaked at 7.30am Sunday at 2.4m.
The Whakapuaka at Hira also exceeded an annual flood level, peaking at 5.4m at 8.30am.
The Aorere River reached levels close to an annual flood. Takaka at Kotinga peaked for a brief time slightly above an annual flood.
The Motueka River peaked just below an annual flood, while The Wairoa river peaked just above an annual flood.
- © Fairfax NZ News