New Hampshire

Ammonoosuc River at Bethlehem Junction

Current River Rating

Fair · 52

Conditions are mixed. Review the details below before heading out.

Scores are model-specific and are not directly comparable across water types.

Partial water evidence · Medium confidence

Should I Go?

Wait

Timing Outlook

This timing outlook is informational only; current river conditions remain Fair.

Why

  • Very clear skies may make trout more cautious in shallow water.
  • Water temperature is unavailable.

Favorable Factors

  • Recent precipitation has been light.
  • Light wind should make casting and boat control easier.

Timing Evidence

Overcast or filtered daylight is favorable.

Current Readings

Flow
62 CFS
Gage Height
1.39 ft
Water Temperature
Not available
Observation Time
Sep 5, 2026, 7:30 AM

Updated recently · USGS station 01137500 · Direct monitoring location

Readings from past 7 Days

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Historical readings are provided for context. Readings outside the current freshness window are not used to rate current conditions.

Better Nearby Options

Checking nearby StrikeTracks waters…

Preliminary guidance only. Always assess current weather, access, water depth, current speed, and your own ability before entering the river.

Changing Conditions Advisory

Short-term rainfall and flow-change signals

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Weather Near Gauge

Current Weather

Clear

Temperature

58°F

Feels like

58°F

Wind

2 mph SW

Wind gust

2 mph

Current precipitation

0.00 in

Updated

Sep 5, 2026, 1:15 AM

Recent Rainfall

Estimated precipitation near this gauge

Last 6 hours

0.00 in

Last 24 hours

0.00 in

Last 48 hours

0.06 in

Little recent rainfall near this river.

Next 24 Hours

  • Sat 4 AM

    Overcast

    Temp 56°F

    Chance 3%

    Precip 0.00 in

    Wind 2 mph

  • Sat 8 AM

    Overcast

    Temp 59°F

    Chance 1%

    Precip 0.00 in

    Wind 2 mph

  • Sat 12 PM

    Partly cloudy

    Temp 67°F

    Chance 7%

    Precip 0.00 in

    Wind 5 mph

  • Sat 4 PM

    Drizzle

    Temp 62°F

    Chance 16%

    Precip 0.02 in

    Wind 5 mph

  • Sat 8 PM

    Overcast

    Temp 61°F

    Chance 4%

    Precip 0.00 in

    Wind 3 mph

  • Sun 12 AM

    Mostly clear

    Temp 57°F

    Chance 12%

    Precip 0.00 in

    Wind 4 mph

Four-Day Forecast

  • Sat, Sep 5

    Heavy rain

    High 68°F / Low 56°F

    Chance 27%

    Precip 0.46 in

    Max gust 17 mph

  • Sun, Sep 6

    Overcast

    High 66°F / Low 51°F

    Chance 12%

    Precip 0.00 in

    Max gust 20 mph

  • Mon, Sep 7

    Overcast

    High 72°F / Low 49°F

    Chance 3%

    Precip 0.00 in

    Max gust 21 mph

  • Tue, Sep 8

    Overcast

    High 73°F / Low 54°F

    Chance 8%

    Precip 0.00 in

    Max gust 11 mph

Weather and rainfall are estimated for this river's coordinates. Local conditions can vary, especially in mountainous terrain and during isolated storms.

Recent rainfall can influence river flow, but the timing and magnitude depend on watershed size, soil conditions, upstream reservoirs, and dam releases.

Weather data: Open-Meteo

Historical Flow

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Fishing Overview

USGS streamgage AMMONOOSUC RIVER AT BETHLEHEM JUNCTION, NH (01137500). Coordinates are the USGS monitoring-location point. App-supported continuous parameters currently available: streamflow (00060) and gage height (00065). No live water-temperature series at this site. NHFG lists Ammonoosuc reaches among rivers stocked with trout and open year-round under general trout rules.

Fishery Profile

Documented species you may encounter at Ammonoosuc River.

High confidenceLast verified: Jul 14, 2026

Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency sources. About fish illustrations

Fishery overview

Northern New Hampshire trout river at Bethlehem Junction. NHFG lists Ammonoosuc reaches among rivers stocked with trout and open year-round. USGS gage 01137500 provides live streamflow and stage.

Target species

  • Brown Trout

    Salmo trutta

    Expectation
    Primary
    Population
    Stocked
    Native status
    introduced
    Confidence
    High confidence

    NHFG Ammonoosuc Bethlehem stocking and year-round stocked-river listings include brown trout among primary stocked trout.

    Source: New Hampshire Fish and Game Department

  • Rainbow Trout

    Oncorhynchus mykiss

    Expectation
    Primary
    Population
    Stocked
    Native status
    introduced
    Confidence
    High confidence

    NHFG lists Ammonoosuc River reaches among stocked trout waters open year-round; Bethlehem corridor stocking includes rainbow trout.

    Source: New Hampshire Fish and Game Department

  • Brook Trout

    Salvelinus fontinalis

    Expectation
    Common
    Population
    Stocked
    Native status
    native
    Confidence
    High confidence

    NHFG Ammonoosuc Bethlehem stocking includes brook trout among stocked trout species.

    Source: New Hampshire Fish and Game Department

Fishery characteristics

Composition
Stocked
Great Lakes tributary
No
Flow regime
Natural flow

White Mountains freestone river with stocked trout management in the Bethlehem corridor.

Best seasons

  • Spring
  • Summer
  • Fall

Common techniques

  • Fly fishing
  • Nymphing
  • Spinning

Access and Public Fishing Rights

NHFG documents angler access associated with Ammonoosuc restoration and habitat work in Bethlehem. Confirm current access on the official NHFG boating and access pages.

Stocking information

NHFG stocking reports document Ammonoosuc River Bethlehem stockings of rainbow, brown, and brook trout. Confirm current stockings on the official NHFG stocking report.

  • Brown Trout

    Stocked · New Hampshire Fish and Game Department

    Stocked
  • Rainbow Trout

    Stocked · New Hampshire Fish and Game Department

    Stocked
  • Brook Trout

    Stocked · New Hampshire Fish and Game Department

    Stocked

Regulations can change. Always verify current New Hampshire freshwater fishing rules on the official NHFG page before fishing.

Hatch Match

Seasonal insect activity for the current evaluation period — not a live hatch observation

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Location and Access

USGS monitoring location

Grafton, New Hampshire

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The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.

River Details

County

Grafton

Management Category

Trout stream

Regulation Scope

Ammonoosuc River (stocked trout reaches including Bethlehem)

Regulation Summary

New Hampshire freshwater fishing regulations apply. Designated Ammonoosuc reaches are managed as stocked trout water open year-round; confirm current seasons, methods, and limits on the official NHFG regulations page.

Target Species

Rainbow Trout, Brown Trout, Brook Trout

Access, Parking, and Regulations

Verified access notes and official resources for Ammonoosuc River at Bethlehem Junction. This is StrikeTracks guidance — always confirm with official sources.

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