Ammonoosuc River Brown trout
Copyright 2018 James Marsh
Fly Fishing The Ammonoosuc River
New Hampshire
The Ammonoosuc River is a 55 mile long river located in
Northwestern New Hampshire. It forms from a discharge
from Lakes of the Clouds in the beautiful White
Mountains.  It flows from the slopes of Mt. Washington in
White Mountain National Forest and then to the
Connecticut River near Haverhill, New Hampshire.

The Ammonoosuc River is best known for its brook trout.
Fishing is best in the fast water sections of the
uppermost parts of the river. The water is mostly pocket
water, with plenty of runs, riffles and short plunge pools
suitable for brook trout. Fly fishing the Ammonoosuc
River for its wild brook trout is both productive and

The Wild Ammonoosuc River is a major tributary that's
about 14 miles long that also contains a good population
of brook trout. It's confluence with the main stem is near
Bath. The lower section of the river is stocked by the
state and contains brook, brown and rainbow trout.
These uppermost sections remain cool even during the
summer months.

The lower section of the Ammonoosuc River runs
through open farmland and gets too warm to support
trout during the hottest part of summer. It consist of
larger, longer pools or moderately flowing water
connected by riffles. Four dams are located in the lower

Access to the river is easy and plentiful. Route #302
follows along the upper section above Bethlehem. The
Wild Ammonoosuc is closely followed by Route #112.

The Ammonoosuc River has a good population of
aquatic insects including mayflies, stoneflies, caddisflies
and midges. Terrestrial insects are also plentiful during
the warmer months of the year.

The season is the standard New Hampshire trout
season that runs from January 1 to October 15.
Springtime is a good time to fish the stream. That's when
it is stocked the most and offers the best opportunity.
Fishing the uppermost parts of the river for brook trout
can be productive during the Summer. The lower
sections get too warm during the hottest part of the
summer months.
Early Fall is fine especially for the brown trout which may
be in the spawning mode.

Fly Fishing Gear, Tackle and Flies
Type of Stream

Brown Trout (Stocked and holdovers)
Rainbow Trout (Stocked)
Brook Trout (Wild and stocked)
Atlantic Salmon (stocked)

Medium, 55 miles long

Northwester New Hampshire

Nearest Towns

Jan 1 - Oct 15


Non-Resident License
State of New Hampshire

National Weather Service Link

Fly Fishing Gear, Tackle and Flies
Ammonoosuc River
New Hampshire
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Photo Courtesy Steven Lamb
Options For Selecting Flies:
1. Email us (
with the dates you will be fishing this
stream and we will send you a list of our
fly suggestions. Please allow up to 24
hours for a response.

2. Call us 800-594-4726 and we will help
you decide which flies you need.

3. Email us (
with a budget for flies and we will select
them to match the budget and get them to
you in time for your fly fishing trip.

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