Bioregional Land Node · Northeastern American Mixed Forests (NA10)

Muhhea-
kantuck.

The Hudson River Valley — the river that flows both ways, read as a single living community from the Adirondack source to New York Harbor.

315 mi river course 153 mi tidal estuary ~13,400 mi² watershed 200+ fish species 3 regional reaches

Why "flows both ways"

salt tide pushing upriver ▶ ▶ ▶ ▶ ◀ fresh water running to the sea Flood tide · ocean pushes in
I · The Name & Its Peoples

A river named for what it does, not who found it

The Mohican word Muhheakantuck means "the river that flows both ways" — a name that is plain hydrology, because the Hudson is a tidal estuary where the Atlantic pushes saltwater far inland to meet the freshwater coming down.

For roughly thirteen thousand years the river has run from the Adirondacks to the sea, and the people who knew it best named it for its defining behaviour rather than for an explorer. You can read that story, and the movement to recognise the river as a living being with its own rights, in this essay in About Place Journal.

This is the ancestral homeland of the Muhheaconneok — the Mohican people, "the People of the Waters that are Never Still," whose descendants today form the federally recognised Stockbridge-Munsee Community, the Mohican Nation. To the south lived the Munsee Lenape, the "Original People" of the lower valley; along the east bank, the Wappinger; and to the north and west, the Mohawk (Kanienkehaka) of the Haudenosaunee Confederacy. The Hudson River Valley Institute keeps an accessible overview of this Native history.

Field note · the river still has defenders by name
A community coalition called Friends of the Mahicantuck — taking the river's Algonquian name — works in Troy with the Schaghticoke First Nations to protect Indigenous sites and the last wild land on the upper tidal Hudson. Land has also been returned: through the Open Space Institute, the Stockbridge-Munsee are again stewards of Papscanee Island, as the Mohawk Hudson Land Conservancy notes in its own mission.
II · The Living River

A drowned glacier, a tide clock, three reaches

The Hudson is really two rivers in one. From Lake Tear of the Clouds at 4,322 feet on Mount Marcy it falls as a freshwater mountain stream to the Federal Dam at Troy; below Troy it becomes a tidal estuary that rises and falls with the ocean for 153 miles down to the Verrazzano Narrows. The sloop Clearwater's education materials describe this two-river character beautifully — and note that the estuary is, geologically, a fjord: a drowned river valley carved by a glacier.

4,322 ft
source at Lake Tear of the Clouds, Mt. Marcy
~202 ft
channel depth at World's End, West Point
5,300 mi²
watershed draining to the tidal estuary
Twice daily
the Atlantic tide reverses the lower river

New York's Hudson River Estuary Program manages this tidal river and its watershed; the middle hundred miles are protected as the Hudson River National Estuarine Research Reserve, four marsh sites at Stockport Flats, Tivoli Bays, Iona Island, and Piermont Marsh. The National Heritage Area divides the valley into three reaches — Upper, Middle, and Lower Hudson — each with its own mountains, estates, and history.

It belongs, in the global picture, to One Earth's Northeastern American Mixed Forests bioregion (NA10) — broadleaf forest running from New Brunswick to the Blue Ridge.

III · The Web of Life

Sturgeon, shad, eagles, and the only marshes of their kind

More than two hundred fish species use the Hudson, and the estuary holds the only significant acreage of tidal freshwater wetlands in New York State — one of the highest biodiversity rankings anywhere in the state, per the state's own aquatic-habitats overview.

Giants like the Atlantic sturgeon — a prehistoric fish that can pass fourteen feet and live sixty years — patrol the bottom, while striped bass, American shad, river herring, and American eel move between river and sea, as Clearwater's field guide explains. The brackish marshes shelter diamondback terrapins, fiddler crabs, and marsh wrens; bald eagles, ospreys, and great blue herons work the open water. The forests above are the eastern hardwoods Thomas Berry listed by name: hickory, oak, maple, hemlock, and pine.

Field note · the fish in the original essay
The two fish engraved at the top of the bioregional essay that anchors this node are striped bass (Morone saxatilis) — the species whose entire Atlantic-coast population spawns largely here in the Hudson.
IV · A Storied Landscape

From the Erie Canal to the birth of environmental law

The Hudson has been a stage for much of American history. The Erie Canal (1825) linked the river to the Great Lakes and made New York City the nation's great port. The valley named America's first art movement, the Hudson River School, and its estates — Olana, Kykuit, the Van Cortlandt and Philipse manors — layer the banks.

It is also where the modern environmental movement was born. The fight to stop a power plant at Storm King Mountain won citizens the right to sue on behalf of nature and gave rise to Scenic Hudson; the old Hudson River Fishermen's Association became Riverkeeper. And after General Electric discharged some 1.3 million pounds of PCBs into the river, a coalition formed to heal the Hudson from one of the largest Superfund sites in the country.

V · The Vision

A covenant of mutual enhancement

The cultural anchor for this land node is the geologian Thomas Berry, whose essay "The Hudson River Valley: A Bioregional Story" argues that we live not in Poughkeepsie or Yonkers but along the river — that we are, in his phrase,

"river people and valley people." — Thomas Berry, in The Hudson River Valley: A Bioregional Story

Berry's call is for a bond between people and place built on mutual enhancement rather than exploitation: the valley healed where it was damaged, kept whole where it is intact, and celebrated through the stories we tell. Over a twenty-year horizon, this node imagines recovering sturgeon and shad runs, marshes migrating intact ahead of rising seas, Indigenous nations restored to active stewardship, and river towns from Troy to the harbour bound together by shared care for the watershed.

VI · Stewards & Resources

The many nodes within the node

A bioregion this size is cared for by a web of communities, not a single owner. These are the projects and resources woven into the Hudson River Valley land node — every one a doorway to go deeper.