Ammonoosuc River Fishing Guides
A White Mountain freestone river falling from the Lakes of the Clouds on Mount Washington, holding wild brook trout in its pocket water.
Guides on the Ammonoosuc River
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About the Ammonoosuc River
The Ammonoosuc River begins at the Lakes of the Clouds high on the southwest shoulder of Mount Washington and falls steeply northwest through the White Mountains before turning toward the Connecticut River at Woodsville. The gauge at Bethlehem Junction covers a drainage of about eighty-eight square miles, which is the upper and steepest part of that course, and the river there is classic New England freestone water over granite boulder and ledge.
Gradient defines the fishing. The upper river is a chain of plunge pools, pocket water and short runs, and it is best fished by working upstream methodically rather than covering distance. Wild brook trout are the characteristic fish of these headwaters and the reason most anglers come, typically small but bright and willing. Brown and rainbow trout appear more often in the lower, gentler reaches, where New Hampshire also stocks.
The river is cold, and it stays fishable through summer better than lowland New England streams because of its elevation and shade. It responds hard to rain, however, and can go from wadeable to unfishable within hours after a mountain storm. Spring runoff from the Presidential Range is heavy and late, and the river often does not settle until well into the season.
Access is exceptionally good by New England standards. The White Mountain National Forest covers much of the upper drainage, Route 302 follows the river through Crawford Notch and beyond, and the Appalachian Trail and the Ammonoosuc Ravine Trail reach the headwaters directly. Bethlehem, Littleton and the Notch itself give an angler plenty of bases within a short drive. New Hampshire manages parts of the river under specific regulations and stocks the lower reaches, so the current rulebook is worth consulting before fishing a particular section.
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Access
Bethlehem Junction - the gauge reach with roadside access.
Ammonoosuc Ravine Trail - foot access to the headwaters below Mount Washington.
Crawford Notch State Park - public access to the upper river.
Twin Mountain - a convenient base on the upper river.
Littleton - the largest town on the river, with tackle and lodging.
Lisbon - access to the lower river toward the Connecticut.
Woodsville - the confluence with the Connecticut River.
Seasons
Spring: heavy late runoff from the Presidentials, fishable as it drops.
Summer: the most reliable season, with wild brook trout in the pocket water.
Fall: low clear water, colouring brook trout and excellent conditions.
Winter: largely closed or inaccessible under snow at this elevation.
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Questions
What is the current flow on the Ammonoosuc River?
As of Sep 17, 5:30 am, the USGS gauge AMMONOOSUC RIVER AT BETHLEHEM JUNCTION, NH reads 46 cfs. Conditions update every 15 minutes.
What species can you catch on the Ammonoosuc River?
Anglers target Brook Trout, Brown Trout, Fallfish, Landlocked Salmon, Rainbow Trout, Smallmouth Bass, White Sucker on the Ammonoosuc River in New Hampshire.
Where can you access the Ammonoosuc River?
Bethlehem Junction - the gauge reach with roadside access. Ammonoosuc Ravine Trail - foot access to the headwaters below Mount Washington. Crawford Notch State Park - public access to the upper river. Twin Mountain - a convenient base on the upper river. Littleton - the largest town on the river, with tackle and lodging. Lisbon - access to the lower river toward the Connecticut. Woodsville - the confluence with the Connecticut River.
When is the best time to fish the Ammonoosuc River?
Spring: heavy late runoff from the Presidentials, fishable as it drops. Summer: the most reliable season, with wild brook trout in the pocket water. Fall: low clear water, colouring brook trout and excellent conditions. Winter: largely closed or inaccessible under snow at this elevation.
Where are the fishing regulations for the Ammonoosuc River?
Regulations change by season and section. Read the current rules on the New Hampshire agency site: https://www.eregulations.com/newhampshire/fishing/freshwater