Nelson Haven is an estuary with coastal salt marsh and mudflats, northeast of

Nelson Nelson may refer to: Arts and entertainment * ''Nelson'' (1918 film), a historical film directed by Maurice Elvey * ''Nelson'' (1926 film), a historical film directed by Walter Summers * ''Nelson'' (opera), an opera by Lennox Berkeley to a lib ...

, New Zealand. It is separated from

Tasman Bay / Te Tai-o-Aorere Tasman Bay (; officially Tasman Bay / Te Tai-o-Aorere), originally known in English as Blind Bay, is a large V-shaped bay at the north end of New Zealand's South Island. Located in the centre of the island's northern coast, it stretches alon ...

by the Boulder Bank. It is over 8 km long and up to 2 km wide. The area is regularly completely drowned and exposed by tidal action and supports a large population of mud crabs.

References

Coastline of New Zealand Wetlands of New Zealand {{Nelson-geo-stub