Freestone · Granite · Ontario, CA

Sand River

Sand River - rapids and flowers
Prime · Brook Trout
Glo Bug · 8-14
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 Batchawana River
  • Water temp13.7°C
  • ClarityClear
Today's fly
Glo Bug
Glo Bug8-14
High-confidence seasonal pick
Conditions on the water
Proxy gauge
Level
Steady
Proxy
via Batchawana River
Water temp13.7°C
ClarityClear
Weather17°C
WindS 24 km/h
Pressure1014 hPa
Rain · recent0.2 mm
Rain · ahead9.1 mm

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

Water temperature for Brook Trout
Ideal
14°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brook 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
Hatch timeline · todayPeak at 11h

Hatch predictions

Today's headline hatch shown — see all 9 active hatches hour by hour as a supporter.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Supporters see what else is on the menu.

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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
1
Sculpin (North America)Hatch
2
3
2
Brown DunHatch
2
3
3
3
3
3
3
2
Early Black StoneflyHatch
2
3
2
Eastern Golden StoneHatch
2
2

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

Ranked for today
Fly box · Brook Trout
Permits & access
Permit required — see local rules.
  • Lake Superior PP; FMZ seasons and sanctuary rules
  • Verify the current OFRS and park rules.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Agawa River
14 km
83
Steelhead · Brook trout · Rainbow trout
Michipicoten River
53 km
Steelhead · Brook trout · Rainbow trout
Chippewa River
56 km
Steelhead · Chinook salmon · Brook trout
Algoma brook trout streams
58 km
Brook trout · Black bass
Batchawana River
59 km
Steelhead · Brook trout · Rainbow trout
Gallery · 2
  1. Sand River - rapids and flowers
  2. Terrain map of the venue
    Terrain map
Conservation note

Wild native brook trout (the draw) with Lake Superior steelhead; within Lake Superior Provincial Park. Clean-Drain-Dry.

The full read · show the working · for Brook Trout · confidence 90%
How the 83 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time65 × 13%8.5
Pressure75 × 7%5.3
Insect activity53 × 12%6.4
Conditions total= 83
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Batchawana Riverproxy
Prey activitymodelled from regional profilemodelled
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout Dernier Saturday April → 30 September
Related guides
Euro Nymphingsubsurface methods
Booking & contacts