New Hampshire
Merrimack River at Franklin Junction
Location Snapshot
Merrimack River at Franklin Junction is an upper mainstem reach where stocked trout overlap a larger warmwater river. The principal supported target is brown trout, with rainbow trout and smallmouth bass providing additional species variety within the same fishery.
Current River Rating
Unavailable
Not enough local guidance to rate conditions.
Low confidence
Should I Go?
Not Enough Data
Timing Outlook
No reliable fishing window is available with the current data.
Why
- This river does not yet have enough local fishing guidance to assign a rating.
Cautions
- Water temperature is unavailable.
Blocking Factors
- Configured water observations are currently unavailable.
Current Readings
- Flow
- Not available
- Gage Height
- Not available
- Water Temperature
- Not available
- Latest current reading
- Not available
Monitoring temporarily unavailable. · USGS station 01081500 · 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
50°F
Feels like
44°F
Wind
4 mph N
Wind gust
7 mph
Current precipitation
0.00 in
Updated
Oct 20, 2026, 8:30 PM
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 10 PM
Clear
Temp 47°F
Chance 0%
Precip 0.00 in
Wind 5 mph
Wed 2 AM
Clear
Temp 42°F
Chance 0%
Precip 0.00 in
Wind 6 mph
Wed 6 AM
Clear
Temp 38°F
Chance 0%
Precip 0.00 in
Wind 6 mph
Wed 10 AM
Clear
Temp 48°F
Chance 0%
Precip 0.00 in
Wind 7 mph
Wed 2 PM
Clear
Temp 56°F
Chance 0%
Precip 0.00 in
Wind 7 mph
Wed 6 PM
Clear
Temp 50°F
Chance 0%
Precip 0.00 in
Wind 5 mph
Four-Day Forecast
Tue, Oct 20
Fog
High 68°F / Low 34°F
Chance 0%
Precip 0.00 in
Max gust 18 mph
Wed, Oct 21
Overcast
High 57°F / Low 37°F
Chance 0%
Precip 0.00 in
Max gust 18 mph
Thu, Oct 22
Overcast
High 62°F / Low 38°F
Chance 0%
Precip 0.00 in
Max gust 22 mph
Fri, Oct 23
Partly cloudy
High 55°F / Low 32°F
Chance 0%
Precip 0.00 in
Max gust 13 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, regulated-flow fishery on the Merrimack River at Franklin Junction, along with rainbow trout.
Fishery Profile
Documented species you may encounter at Merrimack 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

Rainbow Trout
Oncorhynchus mykiss
- Expectation
- Common
- Population
- Stocked
- Native status
- introduced
- Confidence
- Medium confidence

Smallmouth Bass
Micropterus dolomieu
- Expectation
- Present
- Population
- Established
- Native status
- introduced
- Confidence
- High confidence
Fishery characteristics
- Composition
- Mixed wild and stocked
- Great Lakes tributary
- No
- Flow regime
- Regulated flow
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Boat fishing
- Fly fishing
- Spinning
Stocking information
- Stocked
Brown Trout
Stocked · New Hampshire Fish and Game Department
- Stocked
Rainbow Trout
Stocked · New Hampshire Fish and Game Department
Official sources
Hatch Match
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Location and Access
USGS monitoring location
Merrimack, 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
Merrimack
Management Category
Trout stream
Regulation Scope
Merrimack River (Franklin Junction corridor / mainstem stocked reaches).
Regulation Summary
New Hampshire freshwater fishing regulations apply on the Merrimack mainstem. Designated reaches from Franklin toward the Massachusetts border are managed as stocked trout water open year-round (with salmon exceptions where posted); confirm current seasons, methods, and limits on the official NHFG regulations page.
Target Species
Brown Trout, Rainbow Trout, Smallmouth Bass
Flow Regulation
Mainstem flows may be influenced by upstream hydroelectric operations.
Access, Parking, and Regulations
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