Delaware River — Delaware Water Gap

🌲 Nat. Recreation Area

River Overview

Warren / Sussex Co. · 40 mi · Class I–III
Optimal: 3000–10000 CFS · USGS #01438500
Water temp: 78°F
6,800 avg
4,340CFS
6.32 ft gauge height
Optimal
Falling slowly (-50 cfs/hr)(-160 in 3h)

Safety & Conditions

Flow data is live from USGS·Rapid classifications and CFS ranges need community verification·Know this river?

Live Conditions

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River Details

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Avg flow: 6,800 cfsHist. median: 6,120 cfsUSGS #01438500
Delaware Water Gap National Recreation Area (NPS) · National Scenic & Recreational River

About

Delaware Water Gap — Kittatinny Ridge Crossing. Long before it carried a European name, the gap region was the heart of Lenape (Delaware) territory — Lenapehoking. The Minsi band of the Lenape inhabited the upper Delaware valley, and the river itself took its name from the Lenape by way of Lord De La Warr, a colonial-era transfer that fixed "Delaware" to both the people and the water they had lived alongside. The name is the oldest thing about the place still in use.

The gap became a crossing point early. The Old Mine Road reached the river in 1842, and the Delaware Water Gap Railroad followed in 1871, opening the gorge to traffic and, eventually, to tourism. Through those same decades the surrounding watershed fed a timber economy. From the 1830s through the 1920s, local sawmills, logging drives, and downstream lumber operations worked the forests to supply the regional timber industry and the railroad expansion that ran from the 1860s into the 1910s. By 1910 the old-growth stands were exhausted; state forestry conservation began in 1915, and the establishment of state forests in the 1930s ended large-scale logging for good.

The gap's modern identity was forged by a dam that was never built. In 1962 Congress authorized the Tocks Island Dam, a project that would have flooded 37 miles of the Delaware valley. Massive public opposition defeated it. Rather than a reservoir, Congress created the Delaware Water Gap National Recreation Area on September 1, 1965 — a landmark conservation victory that preserved the free-flowing river instead of impounding it. The 67,000-acre unit stretches from the Poconos to the New Jersey Highlands and takes in the historic Dingmans Falls and Bushkill Falls, both within the corridor.

Today the middle Delaware carries a dual designation: it lies within the Delaware Water Gap National Recreation Area under the National Park Service, and it is protected as a National Scenic and Recreational River. Paddlers read the corridor in two sections. The run from Dingmans to Bushkill is Class I–II water through the recreation-area corridor; below Bushkill to the Gap it stiffens to Class I–III as the river enters the Water Gap proper beneath Mount Tammany's 1,200-foot face. The whole 40-mile stretch sits in Warren and Sussex counties on the New Jersey side.

Flow is a paddler's first question. Gauge 01438500 averages 6,800 cfs, with the runnable window falling between 3,000 and 10,000 cfs and the historic flow figure sitting near 6,120. Since 2010, regional watershed partnerships have worked to reverse more than a century of logging, agricultural, and industrial impacts, logging streambank stabilization, native fish restocking, nutrient-reduction strategy, and water-quality gains from 2015 through 2024. Outfitters have run the corridor for decades — Adventure Sports has guided canoe and raft trips since 1975, and Kittatinny Canoes operates as the largest Delaware River outfitter from multiple bases along the water.

Solunar Fishing Activity
🌘
Waning Crescent
8% illumination
Poor
Moon overhead
3:12 PM
Moonrise
7:14 AM
Moonset
11:09 PM
Moon underfoot
3:12 AM
Next full moon: Aug 2818 days
Outfitters
Adventure Sports
Delaware Water Gap canoe and raft trips since 1975
Kittatinny Canoes
Largest Delaware River outfitter, multiple bases
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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