Maryland
Gunpowder Falls at Glencoe
Location Snapshot
Gunpowder Falls at Glencoe is a central Maryland tailwater stream below Prettyboy Reservoir with cold, regulated water. Brown trout define the fishery, with stocked rainbow trout adding another coldwater opportunity.
Current River Rating
Fair · 56
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 · Low 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
Dusk low light is favorable.
Current Readings
- Flow
- 72.9 CFS
- Gage Height
- 0.86 ft
- Water Temperature
- Not available
- Observation Time
- Oct 20, 2026, 11:20 AM
Updated recently · USGS station 01582500 · 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
45°F
Feels like
38°F
Wind
7 mph N
Wind gust
18 mph
Current precipitation
0.00 in
Updated
Oct 20, 2026, 7:30 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 45°F
Chance 0%
Precip 0.00 in
Wind 7 mph
Tue 12 PM
Clear
Temp 63°F
Chance 0%
Precip 0.00 in
Wind 11 mph
Tue 4 PM
Clear
Temp 67°F
Chance 0%
Precip 0.00 in
Wind 10 mph
Tue 8 PM
Clear
Temp 55°F
Chance 0%
Precip 0.00 in
Wind 6 mph
Wed 12 AM
Clear
Temp 49°F
Chance 0%
Precip 0.00 in
Wind 6 mph
Wed 4 AM
Clear
Temp 44°F
Chance 0%
Precip 0.00 in
Wind 6 mph
Four-Day Forecast
Tue, Oct 20
Clear
High 67°F / Low 44°F
Chance 0%
Precip 0.00 in
Max gust 24 mph
Wed, Oct 21
Overcast
High 62°F / Low 42°F
Chance 0%
Precip 0.00 in
Max gust 25 mph
Thu, Oct 22
Overcast
High 64°F / Low 45°F
Chance 0%
Precip 0.00 in
Max gust 28 mph
Fri, Oct 23
Clear
High 60°F / Low 43°F
Chance 0%
Precip 0.00 in
Max gust 27 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
Gunpowder Falls at Glencoe is the trout fishery that runs about 10 miles from Prettyboy Reservoir down to Loch Raven Reservoir.
Fishery Profile
Documented species you may encounter at Gunpowder Falls.
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
Source: Maryland DNR
Rainbow Trout
Oncorhynchus mykiss
- Expectation
- Common
- Population
- Stocked
- Native status
- introduced
- Confidence
- High confidence
Source: Maryland DNR
Fishery characteristics
- Composition
- Stocked
- Great Lakes tributary
- No
- Flow regime
- Tailwater
Best seasons
- Spring
- Fall
Common techniques
- Fly fishing
- Nymphing
- Spinning
Stocking information
- Stocked
Brown Trout
Stocked · Maryland DNR
- Stocked
Rainbow Trout
Stocked · Maryland DNR
Official sources
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
Baltimore, Maryland
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
Baltimore
Management Category
Trout stream
Regulation Scope
Gunpowder Falls at Glencoe tailwater gauge reach.
Regulation Summary
Maryland DNR trout and freshwater regulations apply on designated Gunpowder Falls reaches. Confirm current seasons, methods, and limits before fishing.
Target Species
Brown Trout, Rainbow Trout
Flow Regulation
Flow can be influenced by Prettyboy Reservoir operations upstream of the Glencoe gauge. This information is not a condition rating.
Access, Parking, and Regulations
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