New Hampshire
Ashuelot River near Gilsum
Current River Rating
Fair · 61
Conditions are mixed. Review the details below before heading out.
Scores are model-specific and are not directly comparable across water types.
High confidence
Should I Go?
Consider
Recommended Window
Saturday, 3:00 PM–6:00 PM
Why
- Air temperature is comfortable for a river trout trip.
- Light wind should make casting and boat control easier.
- Flow is outside this fishery’s preferred and acceptable ranges.
Favorable Factors
- Recent precipitation has been light.
Cautions
- Very clear skies may make trout more cautious in shallow water.
Timing Evidence
Window confidence: High
Current Readings
- Flow
- 8.41 CFS
- Gage Height
- 1.42 ft
- Water Temperature
- 65.1 °F
- Observation Time
- Sep 5, 2026, 7:30 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
58°F
Feels like
57°F
Wind
3 mph N
Wind gust
8 mph
Current precipitation
0.00 in
Updated
Sep 5, 2026, 3:45 AM
Recent Rainfall
Estimated precipitation near this gauge
Last 6 hours
0.00 in
Last 24 hours
0.00 in
Last 48 hours
0.02 in
Little recent rainfall near this river.
Next 24 Hours
Sat 4 AM
Clear
Temp 58°F
Chance 0%
Precip 0.00 in
Wind 3 mph
Sat 8 AM
Clear
Temp 62°F
Chance 0%
Precip 0.00 in
Wind 3 mph
Sat 12 PM
Mostly clear
Temp 71°F
Chance 2%
Precip 0.00 in
Wind 6 mph
Sat 4 PM
Overcast
Temp 73°F
Chance 14%
Precip 0.00 in
Wind 5 mph
Sat 8 PM
Drizzle
Temp 61°F
Chance 17%
Precip 0.03 in
Wind 10 mph
Sun 12 AM
Overcast
Temp 60°F
Chance 11%
Precip 0.00 in
Wind 3 mph
Four-Day Forecast
Sat, Sep 5
Rain
High 74°F / Low 56°F
Chance 25%
Precip 0.17 in
Max gust 22 mph
Sun, Sep 6
Drizzle
High 69°F / Low 51°F
Chance 25%
Precip 0.06 in
Max gust 20 mph
Mon, Sep 7
Overcast
High 76°F / Low 47°F
Chance 0%
Precip 0.00 in
Max gust 20 mph
Tue, Sep 8
Overcast
High 76°F / Low 54°F
Chance 0%
Precip 0.00 in
Max gust 16 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
This stretch offers a mix of riffles, runs, and quieter pools that can hold trout through much of the season. Check the live flow and temperature readings above before planning a trip, and adjust your approach as conditions change.
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
Fishery overview
Ashuelot River near Gilsum, the Monadnock-region freestone that closes the western New Hampshire blank between Contoocook and the Connecticut Valley. Brown, rainbow, and brook trout are the coldwater targets. USGS gage 01157000 provides live streamflow, stage, and water temperature at the Gilsum reach. This record represents the Gilsum gauge corridor, not every Ashuelot gage or the full watershed.
Target species

Brown Trout
Salmo trutta
- Expectation
- Primary
- Population
- Stocked
- Native status
- introduced
- Confidence
- High confidence
Stocked · Spring, FallSpring, FallPrimary trout target on the Gilsum Ashuelot freestone reach. Destination fisheryComposition remains mixed.

Brook Trout
Salvelinus fontinalis
- Expectation
- Common
- Population
- Unknown
- Native status
- native
- Confidence
- Medium confidence
Brook trout occur in the Ashuelot system; colder tributaries hold stronger populations. No Gilsum-reach-specific wild or stocking classification is documented strongly enough for wild/stocked/established.

Rainbow Trout
Oncorhynchus mykiss
- Expectation
- Common
- Population
- Stocked
- Native status
- introduced
- Confidence
- High confidence
Stocked · Spring, FallSpring, FallCommon stocked trout on the Gilsum Ashuelot reach.
Fishery characteristics
- Composition
- Mixed wild and stocked
- Great Lakes tributary
- No
- Flow regime
- Natural flow
Monadnock-region freestone mainstem with stocked and wild trout components near Gilsum.
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Fly fishing
- Nymphing
- Spinning
- Streamers
Access and Public Fishing Rights
Road and corridor access patterns exist near Gilsum; confirm current public access on official NHFG places-to-fish pages and respect private land. Catalog coordinates are the USGS Gilsum gage point.
Stocking information
NHFG lists Ashuelot reaches among rivers stocked with trout. Confirm current stockings on the official NHFG stocking report.
- 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
Trout regulations can change by section. Verify current New Hampshire freshwater fishing regulations for the Gilsum Ashuelot reach before fishing.
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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