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Lake Trout (Mackinaw)

Utah Fish Guide
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Lake Trout (Mackinaw)

Why Target Them

Lake trout are the biggest fish in Utah's cold water. The state record, 53 pounds 15 ounces and just over 44 inches, came from Flaming Gorge in 2020. The Gorge rules push you to keep the small ones: no limit at all on lake trout 28 inches or under, and only one fish over that per day. Bear Lake runs the other direction with a 2-trout daily limit, so read the rules for the water you are on before you fill a cooler.

How To Catch Them

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Where: Flaming Gorge, Bear Lake, Fish Lake

Go-to rig: Vertical jigging: 3-4 in white tube jig on heavy jighead, 40-90 ft

Best bait and lures: Tube jigs tipped with sucker meat, big spoons, downrigger trolling

Best time: First light; winter & spring for giants

Gorge 'pups' (under 25 in) are tasty and plentiful - jig the humps.

Your Loadout 🎣 Stock Up on Gear

Gear picks below are Amazon affiliate links. As an Amazon Associate I earn from qualifying purchases, at no extra cost to you. Details.
ROD
7' medium spinning rod
covers most jobs
LINE
abrasion resistant
TOOLS
Pliers, net, scale
measure before bragging
★ ALWAYS EQUIPPED
Utah fishing license
wildlife.utah.gov · kids under 12 free
WEARSun hat + sunscreenPolarized glassescut the glareLayers + windbreakerreservoir wind is realSturdy shoesrocky shorelines

Tackle + Bait Slots

FLOAT
4–5 in pencil · stop-knot sets depth
set any depth
WEIGHT
1/4 oz · ~3/4 in egg · slides on the main line
slip rig standard
SWIVEL
size 5 · ~3/4 in · ~60 lb
stops the sinker
HOOK
sizes 6–2 · 5/8–1 in · barbed shank holds bait
match the bait
BAIT
Tube jigs tipped with sucker meat
first choice for lake trout (mackinaw)
First light; winter & spring for giants
TOP PICK FOR THIS FISH
Dardevle Brass Back 1 oz Spoon
Big trolling/downrigger spoon; pair with the white tube jig above for vertical jigging

Also works: big spoons · downrigger trolling

The all-round reservoir kit: enough backbone for wind and depth.

Where To Catch Them (3 waters)

Flaming Gorge Reservoir · Bear Lake · Fish Lake

Quick Answers

How do you catch Lake Trout (Mackinaw) in Utah?
Go-to rig: Vertical jigging: 3-4 in white tube jig on heavy jighead, 40-90 ft Best bait: Tube jigs tipped with sucker meat, big spoons, downrigger trolling
Where can I catch Lake Trout (Mackinaw) in Utah?
Flaming Gorge Reservoir, Bear Lake, Fish Lake.
When do Lake Trout (Mackinaw) bite best?
First light; winter & spring for giants
Why fish for Lake Trout (Mackinaw) in Utah?
Because nothing else in Utah gets that big. Lake trout hold deep and cold in Flaming Gorge, Bear Lake and Fish Lake, so this is a boat and jigging game rather than anything you do from shore. Newcomers underestimate how much a depth finder matters, and how far down the fish actually sit.
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