Hudson Highlands

Conversely, the river becomes narrower and deeper through the Highlands, reaching its deepest point of 216 feet (66 m), near Garrison.

The only surviving piece of the boom and chain is currently on display at Washington's Headquarters State Historic Site in Newburgh, New York.

Several decades after independence, Thomas Cole started an artistic movement by painting America's wild and rugged landscapes— especially, at first, the Highlands— with the stark contrasts and shadows they offered, in a way that suggested raw nature, a world reborn.

In the early 20th century, in response to damage caused by quarrymen and loggers in the Highlands, local conservationists began to press for public ownership of the area's woods and mountains.

Later that century, an ambitious power-generating plan that would have dug into Storm King Mountain led to a landmark lawsuit by environmental groups that made history when the judge ruled that aesthetic impacts of such large projects could be considered and that a coalition of citizen groups had legal standing.