New Hampshire
Ashuelot River near Gilsum
Location Snapshot
Ashuelot River near Gilsum is an upper southwestern New Hampshire river reach with cool freestone habitat. Brown, rainbow, and brook trout provide the principal fishing opportunity.
Current River Rating
Good · 81
Conditions look favorable based on the available readings.
Scores are model-specific and are not directly comparable across water types.
High confidence
Should I Go?
Go
Recommended Window
Wednesday, 4:00 PM–7:00 PM
Why
- Flow is within this fishery’s preferred range.
- Light wind should make casting and boat control easier.
- Very clear skies may make trout more cautious in shallow water.
Favorable Factors
- Recent precipitation has been light.
Timing Evidence
Window confidence: Medium
Current Readings
- Flow
- 105 CFS
- Gage Height
- 2.88 ft
- Water Temperature
- 46.9 °F
- Observation Time
- Oct 20, 2026, 11:30 AM
Updated recently · USGS station 01157000 · 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
37°F
Feels like
31°F
Wind
6 mph NE
Wind gust
12 mph
Current precipitation
0.00 in
Updated
Oct 20, 2026, 7:00 AM
Recent Rainfall
Estimated precipitation near this gauge
Last 6 hours
0.00 in
Last 24 hours
0.00 in
Last 48 hours
0.00 in
Little recent rainfall near this river.
Next 24 Hours
Tue 8 AM
Clear
Temp 39°F
Chance 0%
Precip 0.00 in
Wind 6 mph
Tue 12 PM
Clear
Temp 57°F
Chance 0%
Precip 0.00 in
Wind 9 mph
Tue 4 PM
Clear
Temp 58°F
Chance 0%
Precip 0.00 in
Wind 9 mph
Tue 8 PM
Clear
Temp 46°F
Chance 0%
Precip 0.00 in
Wind 7 mph
Wed 12 AM
Clear
Temp 41°F
Chance 0%
Precip 0.00 in
Wind 6 mph
Wed 4 AM
Clear
Temp 37°F
Chance 0%
Precip 0.00 in
Wind 5 mph
Four-Day Forecast
Tue, Oct 20
Clear
High 59°F / Low 35°F
Chance 0%
Precip 0.00 in
Max gust 25 mph
Wed, Oct 21
Overcast
High 53°F / Low 34°F
Chance 0%
Precip 0.00 in
Max gust 20 mph
Thu, Oct 22
Overcast
High 59°F / Low 35°F
Chance 0%
Precip 0.00 in
Max gust 30 mph
Fri, Oct 23
Clear
High 52°F / Low 32°F
Chance 3%
Precip 0.00 in
Max gust 28 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
Brown trout are in the mixed fishery on the Ashuelot River near Gilsum, along with brook and rainbow trout.
Fishery Profile
Documented species you may encounter at Ashuelot 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
Target species

Brown Trout
Salmo trutta
- Expectation
- Primary
- Population
- Stocked
- Native status
- introduced
- Confidence
- High confidence
Stocked · Spring, FallSpring, Fall
Brook Trout
Salvelinus fontinalis
- Expectation
- Common
- Population
- Unknown
- Native status
- native
- Confidence
- Medium confidence

Rainbow Trout
Oncorhynchus mykiss
- Expectation
- Common
- Population
- Stocked
- Native status
- introduced
- Confidence
- High confidence
Stocked · Spring, FallSpring, Fall
Fishery characteristics
- Composition
- Mixed wild and stocked
- Great Lakes tributary
- No
- Flow regime
- Natural flow
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Fly fishing
- Nymphing
- Spinning
- Streamers
Stocking information
- Stocked · Spring, Fall
Brown Trout
Stocked · New Hampshire Fish and Game Department
- Stocked · Spring, Fall
Rainbow Trout
Stocked · New Hampshire Fish and Game Department
Official sources
Hatch Match
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Location and Access
USGS monitoring location
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.
Access, Parking, and Regulations
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