Hudson River Gorge

River Overview

Essex / Hamilton Co. · 17 mi · Class III–IV
Optimal: 2500–8000 CFS · USGS #01315500
4,200 avg
572CFS
3.04 ft gauge height
Below Optimal
Stable

Safety & Conditions

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River Details

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Avg flow: 4,200 cfsHist. median: 3,800 cfsUSGS #01315500
Adirondack Park, New York State Wild Forest

About

Hudson River Gorge, New York — 1609 Henry Hudson Half Moon, 1970s-2010s Adirondack Park, 1980s-2010s Restoration 100-mi. Long before the log drives, the Adirondack headwaters of the Hudson lay within Mohawk (Haudenosaunee) territory, while Algonquin peoples also moved through the upper watershed. For those communities the gorge functioned as a travel and hunting corridor — a passage through steep country rather than a settlement site. That role as a route through the mountains would echo, in a very different form, when the timber industry arrived.

From the 1850s through roughly 1910, the Hudson River Gorge was a major log-driving corridor during the Adirondack timber boom. Millions of board feet of spruce and hemlock were floated through the gorge each spring, carried on high snowmelt flows that the same paddlers now chase for whitewater. The practice outlasted the boom itself: the last log drive on the Hudson took place in 1950, closing a chapter that had shaped the river's economy and its reputation for muscular spring water.

The legal framework that now protects the corridor predates the end of those drives by more than half a century. The Adirondack Park was created in 1892, and in 1894 the 'Forever Wild' clause was written into Article XIV of the New York State Constitution, permanently shielding the gorge corridor from development. Today the reach carries the designations Adirondack Park and New York State Wild Forest — protections that keep the run in a backcountry state, with no roadside access through its core.

Hydrologically, the gorge is a substantial river rather than a technical creek. Gauge 01315500 records an average near 4,200 CFS, with a historic reference flow around 3,800 CFS, and the optimal window runs from 2,500 to 8,000 CFS. Within those numbers the 17-mile trip breaks into three distinct movements. The opening stretch, from the Indian River confluence to Harris Rift, is a Class III warm-up. The middle — Harris Rift to Blue Ledge — is the Class III–IV gorge heart, the tightest and most committing water. Below Blue Ledge, the river opens toward North River in a Class III big-water runout, where volume matters more than tight maneuvering.

That combination of remote character, dependable spring volume, and Class III–IV difficulty has made the gorge a commercial rafting mainstay. Outfitters including the Hudson River Rafting Company, based in North Creek, and the Wild Waters Outdoor Center run guided Hudson Gorge trips through the corridor. The result is a river that reads its own timeline in a single day on the water: Native travel routes, log-drive history closed out in 1950, and Forever Wild protection dating to the 1890s, all still legible in a run that stays wild by law and by flow.

Solunar Fishing Activity
🌘
Waning Crescent
12% illumination
Poor
Moon overhead
2:08 PM
Moonrise
5:45 AM
Moonset
10:30 PM
Moon underfoot
2:08 AM
Next full moon: Aug 2718 days
Notable Rapids
Harris RiftClass III+
First major rapid in the gorge. A long Class III+ that sets the tone for 17 miles of roadless wilderness.
Blue LedgeClass IV
The crux of the Hudson Gorge. A powerful, complex Class IV in the deepest part of the Adirondack gorge. No road access for miles in either direction.
Ord FallsClass IV
A steep, technical drop near the end of the gorge run. Scout from the right.
Outfitters
Hudson River Rafting Company
Hudson Gorge specialists, North Creek
Wild Waters Outdoor Center
Adirondack Hudson Gorge trips
10-Year Flow Patterns
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Data Quality

River conditions are community-verified. CFS ranges, difficulty ratings, and access points may not reflect every flow level or seasonal change. Always check current conditions, scout unfamiliar rapids, and paddle within your skill level.

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