New Jersey
South Branch Raritan River — Ken Lockwood Gorge
Location Snapshot
The South Branch Raritan River at Ken Lockwood Gorge is a bounded Hunterdon County trout destination centered on the gorge and High Bridge corridor. Brown, rainbow, and brook trout define the 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. · Nearby USGS station 01396500 · Proxy monitoring location
Readings from past 7 Days
Loading readings from the past 7 days…
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
48°F
Wind
12 mph N
Wind gust
19 mph
Current precipitation
0.00 in
Updated
Oct 20, 2026, 9:15 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 56°F
Chance 0%
Precip 0.00 in
Wind 14 mph
Wed 2 AM
Clear
Temp 51°F
Chance 0%
Precip 0.00 in
Wind 11 mph
Wed 6 AM
Clear
Temp 48°F
Chance 0%
Precip 0.00 in
Wind 10 mph
Wed 10 AM
Clear
Temp 55°F
Chance 0%
Precip 0.00 in
Wind 11 mph
Wed 2 PM
Clear
Temp 62°F
Chance 0%
Precip 0.00 in
Wind 11 mph
Wed 6 PM
Clear
Temp 56°F
Chance 0%
Precip 0.00 in
Wind 7 mph
Four-Day Forecast
Tue, Oct 20
Clear
High 68°F / Low 49°F
Chance 0%
Precip 0.00 in
Max gust 30 mph
Wed, Oct 21
Overcast
High 63°F / Low 47°F
Chance 0%
Precip 0.00 in
Max gust 29 mph
Thu, Oct 22
Overcast
High 65°F / Low 45°F
Chance 0%
Precip 0.00 in
Max gust 29 mph
Fri, Oct 23
Overcast
High 58°F / Low 39°F
Chance 0%
Precip 0.00 in
Max gust 25 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 stocked in the South Branch Raritan River — Ken Lockwood Gorge, along with brook and rainbow trout.
Fishery Profile
Documented species you may encounter at South Branch Raritan River — Ken Lockwood Gorge.
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
- native
- Confidence
- High confidence

Brook Trout
Salvelinus fontinalis
- Expectation
- Common
- Population
- Stocked
- Native status
- native
- Confidence
- High confidence

Rainbow Trout
Oncorhynchus mykiss
- Expectation
- Common
- Population
- Stocked
- Native status
- introduced
- Confidence
- High confidence
Fishery characteristics
- Composition
- Stocked
- Great Lakes tributary
- No
- Flow regime
- Mixed flow regime
Best seasons
- Spring
- Fall
Common techniques
- Fly fishing
- Nymphing
- Spinning
Stocking information
- Stocked
Brown Trout
Stocked · New Jersey Division of Fish and Wildlife
- Stocked
Brook Trout
Stocked · New Jersey Division of Fish and Wildlife
- Stocked
Rainbow Trout
Stocked · New Jersey Division of Fish and Wildlife
Official sources
Monitoring limitations
- The gauge used for the South Branch Raritan River — Ken Lockwood Gorge is on another reach, so it does not measure this fishing water.
Hatch Match
General fly suggestions
- Parachute-style dryGeneral attractor dry family — not a claim that a named mayfly is hatching.
- Pheasant-tail-style nymphGeneral nymph family for trout rivers without destination hatch timing.
- Elk-hair-style dryGeneral dry/attractor family. Pattern choice only — not a report that caddis are hatching.
- Woolly-bugger-style streamerGeneral streamer family. Not a forage or insect Hatch event.
These are general fishing suggestions, not a report of insects currently hatching at this destination.
Location and Access
USGS monitoring location
Hunterdon, New Jersey
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
Hunterdon
Management Category
Trout stream
Regulation Scope
Ken Lockwood Gorge / High Bridge South Branch Raritan trout reach.
Regulation Summary
NJDEP trout regulations and scenic-gorge management may apply; confirm current seasons, methods, and limits.
Target Species
Brown Trout, Rainbow Trout, Brook Trout
Access, Parking, and Regulations
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