Spring Creek · Volcanic · Northern California, US

Fall River

The Fall River near Fall River Mills, Shasta County, California, with water in a valley setting.
Prime · Rainbow Trout
Small Caddis Emerger · 16-20
Primelive now
About as good as it gets
River high but settled. Coloured water — fish bigger and deeper, confident takes down the seams.
90% confidence
What moved it
  • LevelProxyvia Pit River
  • Water temp10.1°C
  • ClarityClear
Today's fly
Small Caddis Emerger
Small Caddis Emerger16-20
Proven pattern for this period
Conditions on the water
Proxy gauge
Level
Steady
Proxy
via Pit River
Water temp10.1°C
ClarityClear
Weather12°C
WindNW 3 km/h
Pressure1021 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

No gauge on this water — conditions are inferred from Pit River. The trend transfers, the absolute level does not.

Water temperature for Rainbow Trout
Ideal
10°C est.ideal 10–18°C
0°14°28°
How to fish it · for Rainbow Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Why this works
Excellent — water temperature is right today, though insect activity could be better.
Likely species
Mayflies
Caddisflies
terrestrials
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 5 active hatches hour by hour with Pro.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 4 guilds with Pro.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 3 with Pro.

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Evidence
Records-basedModerate confidence

Based on species-occurrence records, not local invertebrate surveys.

Through the year
0–3 scale · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
2
1
Western Blue-Winged OliveHatch
2
3
3
3
3
3
3
3
2
Pale Morning DunHatch
2
3
3
2
TricoHatch
2
3
2
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Ranked for today
Rainbow Trout fly box
Permits & access
Permit required — see local rules.
  • CDFW season
  • Largely accessed by boat from limited launches; much of the bank is private — verify access before promoting it.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Fall River
< 1 km
Rainbow trout
Pit River
4.0 km
Rainbow trout
Baum Lake
9.0 km
Rainbow trout · Brown trout
Lake Britton
10 km
Rainbow trout · Brown trout
Hat Creek
15 km
84
Rainbow trout · Brown trout
Gallery · 2
  1. The Fall River near Fall River Mills, Shasta County, California, with water in a valley setting.
    Fall River near Fall River Mills
  2. Terrain map of the venue
    Terrain map
Water quality · US Clean Water Act
  • Aquatic life: Impaired
  • Recreation: Impaired
What this classification means

Recreation: Bacteria/pathogen advisory — mind wading cuts and immersion.

EPA ATTAINS assessment unit 'Fall River (Pit)' (CAR5264103119980813175731), 2024 Integrated Report. Aquatic Life use: Not Supporting. Listed impairment causes: pH Acidity Caustic Conditions. This is a Clean Water Act assessment-unit classification (the US analogue of WFD), not a live reading.

Status is for the Clean Water Act assessment unit covering this reach.

EPA ATTAINS (Clean Water Act) · CAR5264103119980813175731

The full read · show the working · for Rainbow Trout · confidence 90%
How the 83 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time70 × 13%9.1
Pressure75 × 7%5.3
Insect activity61 × 12%7.3
Conditions total= 83
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Pit Riverproxy
Prey activitymodelled from regional profilemodelled
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout Last Saturday in April → 15 November
Related guides
Euro Nymphingsubsurface methods
Booking & contacts