Montana
Gallatin River near Gallatin Gateway
Current River Rating
Poor · 36
Conditions are unfavorable based on the available readings.
Scores are model-specific and are not directly comparable across water types.
Partial water evidence · Low confidence
Should I Go?
Wait
Limited opportunity
Timing Outlook
No reliable fishing window is recommended while current river conditions remain Poor.
Why
- Recent observed air temperature suggests unfavorable river water temperature for trout.
- Water temperature is unavailable.
Favorable Factors
- Recent precipitation has been light.
Cautions
- Recent observed air temperature suggests unfavorable river water temperature for trout. Verify with a stream thermometer; this is not a measured water temperature.
Timing Evidence
Dawn low light is favorable.
Current Readings
- Flow
- 386 CFS
- Gage Height
- 1.44 ft
- Water Temperature
- Not available
- Observation Time
- Sep 5, 2026, 7:00 AM
Updated recently · USGS station 06043500 · 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
54°F
Feels like
47°F
Wind
9 mph SW
Wind gust
9 mph
Current precipitation
0.00 in
Updated
Sep 5, 2026, 1:45 AM
Recent Rainfall
Estimated precipitation near this gauge
Last 6 hours
0.00 in
Last 24 hours
0.00 in
Last 48 hours
0.00 in
Little recent rainfall near this river.
Next 24 Hours
Sat 2 AM
Clear
Temp 54°F
Chance 2%
Precip 0.00 in
Wind 9 mph
Sat 6 AM
Clear
Temp 49°F
Chance 1%
Precip 0.00 in
Wind 5 mph
Sat 10 AM
Clear
Temp 58°F
Chance 1%
Precip 0.00 in
Wind 6 mph
Sat 2 PM
Clear
Temp 70°F
Chance 1%
Precip 0.00 in
Wind 7 mph
Sat 6 PM
Clear
Temp 77°F
Chance 1%
Precip 0.00 in
Wind 2 mph
Sat 10 PM
Clear
Temp 67°F
Chance 1%
Precip 0.00 in
Wind 7 mph
Four-Day Forecast
Sat, Sep 5
Clear
High 77°F / Low 48°F
Chance 2%
Precip 0.00 in
Max gust 18 mph
Sun, Sep 6
Overcast
High 82°F / Low 46°F
Chance 17%
Precip 0.00 in
Max gust 21 mph
Mon, Sep 7
Drizzle
High 69°F / Low 47°F
Chance 58%
Precip 0.04 in
Max gust 35 mph
Tue, Sep 8
Partly cloudy
High 72°F / Low 44°F
Chance 38%
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
Bounded Gallatin Canyon trout destination at Gallatin Gateway. USGS 06043500 is the at-location monitoring identity with live discharge and gage height. Live water temperature is absent; thermal context uses the accepted river-trout air-derived path. Coordinates are the USGS monitoring-location point. Not gallatin-river-at-logan.
Fishery Profile
Documented species you may encounter at Gallatin 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
The Gallatin River near Gallatin Gateway is the canyon trout fishery anglers mean by “the Gallatin.” StrikeTracks publishes Monitoring-Backed conditions from USGS 06043500 (live discharge; air-derived trout thermal path). Distinct from the lower Gallatin at Logan. Flow Context remains default-deny. Mountain whitefish (Prosopium williamsoni) are a native game fish in this drainage per official state fishery management; they are described here because StrikeTracks has no species-selector ID. Confirm current FWP whitefish rules separately (https://fwp.mt.gov/fish). Hatch Match publishes destination-specific seasonal salmonfly (Pteronarcys californica) guidance from peer-reviewed adult-presence studies. Timing varies with water temperature and is seasonal guidance, not a live hatch observation. Other insect groups remain unpublished where two independent qualified seasonal sources were not found for this identity.
Target species
Brown Trout
Salmo trutta
- Expectation
- Primary
- Population
- Wild
- Native status
- introduced
- Confidence
- High confidence
FWP Statewide Fisheries Management Plan 2023–2026 manages this drainage as a wild trout fishery. Confirm current FWP Exceptions to Standard Regulations. Gallatin Canyon at USGS 06043500 near Gallatin Gateway. Not the lower river at Logan.
Source: Montana Fish, Wildlife & Parks
Rainbow Trout
Oncorhynchus mykiss
- Expectation
- Primary
- Population
- Unknown
- Native status
- introduced
- Confidence
- High confidence
FWP Statewide Fisheries Management Plan 2023–2026 manages this drainage as a wild trout fishery. Confirm current FWP Exceptions to Standard Regulations. Gallatin Canyon at USGS 06043500 near Gallatin Gateway. Not the lower river at Logan.
Source: Montana Fish, Wildlife & Parks
Fishery characteristics
- Composition
- Wild
- Great Lakes tributary
- No
- Flow regime
- Mixed flow regime
Freestone canyon trout river along US-191 between Yellowstone National Park and Gallatin Gateway.
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Dry flies
- Fly fishing
- Nymphing
- Spinning
- Streamers
Access and Public Fishing Rights
Public fishing is documented by FWP Fishing Access Sites and USFS/Yellowstone-adjacent postings along the canyon. Catalog coordinates are the USGS point, not a put-in pin.
Stocking information
FWP manages this drainage as wild trout. Confirm any current official stocking separately; do not treat wild-trout management as a live stocking claim.
Official sources
Central District rivers have FWP Exceptions on some Gallatin reaches. Verify the 2026 FWP Fishing Regulations and current waterbody closures, including seasonal hoot-owl restrictions.
Hatch Match
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Location and Access
USGS monitoring location
Gallatin, Montana
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
Gallatin
Management Category
Wild trout river
Regulation Scope
Gallatin River near Gallatin Gateway / Gallatin Canyon
Regulation Summary
Gallatin Canyon at Gateway: FWP Central District standard regulations unless an Exception applies. Confirm current closures.
Target Species
Brown Trout, Rainbow Trout
Access, Parking, and Regulations
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