Pemigewasset River
Grafton Co. · 65 mi · Class I–III
2,030CFS/ 2.39 ft
Above Optimal→Stable· +40 cfs in 3h
Optimal: 400–2000 CFS · USGS #01076500
Length
Difficulty
Optimal
Avg Flow
Hist. Median
USGS Gauge
White Mountain National Forest · NH Rivers Management Program
The Pemigewasset flows from the Franconia Notch through the heart of the White Mountain National Forest. Class I–III whitewater through forested granite gorges with views of the Franconia Ridge. The Pemi merges with the Winnipesaukee to form the Merrimack — New England's greatest industrial river.
Trip sections
Franconia Notch — Class II–III, mountain headwaters
Lincoln to Woodstock — Class II, popular section
Plymouth to Bristol — Class I–II, lower valley
Outfitters
Outback Kayak
Pemigewasset and Merrimack River trips, Lincoln NH
72-Hour Flow Forecast
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10-Year Flow Patterns
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Data Quality
River conditions are community-verified. CFS ranges, difficulty ratings, and trip sections may not reflect every flow level or seasonal change. Always check current conditions, scout unfamiliar rapids, and paddle within your skill level. If you spot an error, use the Improve This River button at the top of the page — your local knowledge is what makes this atlas accurate.