Float Fishing for Brook Trout
A buoyant float suspends bait at a set depth and signals bites by dipping or lifting. Applied to brook trout, that means 2–6 lb main line and a ultralight to light, fast action; or a #2–#5 fly rod rod as your baseline.
Last reviewed 26 September 2026 · Editorial policy
Rod, reel, line and hooks
- Rod
- Ultralight to Light, fast action; or a #2–#5 fly rod, 5–8.5 ft
- Reel
- 1000 spinning, or a fly reel for #2–#5 line
- Main line
- 2–6 lb
- Hooks
- Size 10–18 flies; size 8–12 bait hooks; small inline spinners
- Method - Rod
- 11'–13' float or match rod
- Method - Line
- 3–6 lb main line with a 2–4 lb hooklength
- Method - Float
- Waggler for stillwater, stick float for flowing river water
Where the species baseline and the method spec differ, the method spec is the more specific advice - the species row tells you the strength you need, the method row tells you the behaviour you need.
Check prices for this setupWhy this works on this fish
How the rig works
Shot is spread down the line so the float sits with only its tip showing. Any change in that tip - a dip, a lift, a slide - is a fish. It is the most readable bite indication in fishing.
Brook Trout behaviour
Opportunistic: insects, larvae, small fish, worms and crustaceans. Often less wary than brown trout.
Cold, clean, spring-fed streams, beaver ponds and upland lakes. Needs cooler water than most trout.
When to fish it
Cool water under roughly 65°F (18°C); overcast days and the first rise after rain.
Brook Trout tips
- Approach small streams low and quietly - the fish spook easily in shallow, clear water.
- Short rods cast more easily under overhanging branches.
- Many brook trout waters are fly-only or artificials-only - check local rules.
Other methods for brook trout
Compare Brook Trout with
Common questions
What line do I need for float fishing for brook trout?
Use 2–6 lb main line, adjusting for cover and water clarity.
What hook size for float fishing for brook trout?
Size 10–18 flies; size 8–12 bait hooks; small inline spinners.
What rod and reel suit float fishing for brook trout?
A ultralight to Light, fast action; or a #2–#5 fly rod rod around 5–8.5 ft with 1000 spinning, or a fly reel for #2–#5 line.
Is float fishing hard to learn?
Difficulty is 1/5 (very easy). Set depth precisely. Most blank sessions on the float are the bait sitting at the wrong depth.
When does float fishing work best for brook trout?
Cool water under roughly 65°F (18°C); overcast days and the first rise after rain.