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
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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.
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.

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.

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.
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.
- Stocked
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
Official sources
Regulations can change. Always verify current New Hampshire freshwater fishing rules on the official NHFG page before fishing.
Hatch Match
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Location and Access
USGS monitoring location
Grafton, New Hampshire
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
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