Mamit Lake Depth Map & Fishing Spots (BC)

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Lake depth chart

Mamit Lake, BC

Max 46 ft

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Chironomids (stillwater midges) window is on — see the hatch outlook

Hatch outlook

Chironomids (stillwater midges)Active window

Typical here: Sep 1 – Oct 31 · the smaller fall second season — hatches continue on mild afternoons

nymphearly morning, start of the day — fish the bloodworm ON the bottom — 4–6 inches off the mud before the emergence starts
pupathe cool morning hours are prime — as the emergence builds, slide the pupa up to 12–15 inches off bottom under the indicator; a little wind chop does the jigging

Concentrates by DEPTH BAND and mud type, not a fixed spot: roughly 20–25 ft in spring, deeper midsummer, in against the feeder creeks in summer heat, 5–25 ft in fall. Match the band.

This one translates almost perfectly: a slip float with a 1/64–1/100 oz midge-pattern jig set 4–15 inches off bottom over a mud flat, dead-sticked with the chop doing the work. Depth control is everything — no moving lure imitates a hanging pupa; the float rig IS the technique.

The event happens over open mud flats alongside weedlines, channels and basin edges; feeder-creek mouths in summer heat

Water boatman fall flightsActive window

Typical here: Sep 1 – Oct 31 · fall mating flights on calm sunny days — 'raindrops hitting the water'; a smaller spring flight is documented right after ice-off

adultmiddday-ish on calm, sunny fall days — the fishable moment is the splashdown: boatmen dive in headfirst trailing an air bubble and make repeated trips back to the surface — a fly or lure that dives nose-first on the drop imitates exactly this

Takes are seldom subtle — trout ravage boatmen as they hit the water and during their subsurface runs.

Tailor-made for hardware: a small 1/16 oz silver-bellied spoon or jig cast AT the rings of a splashdown sinks headfirst exactly like the natural — twitch-pause it back through the top few feet. On flight days fan-cast the shallow weed margins.

The event happens over near-shore shallows, weed beds and shoal margins on calm sunny fall afternoons

Scuds (Gammarus shrimp)Active window

Typical here: Jan 1 – Dec 31 · year-round — the biomass behind the Kamloops fishery's growth rates; most important early spring and again in fall as dying weed cover exposes them

adultall day, year-round — best when weed cover is thin (early spring, late fall) — quick 1-inch 'shrimpy' strips along the weed beds and marl; in fall a subtle slow retrieve just off the bottom

Not an event — the pantry. Scud water is why these lakes grow big rainbows; fish them when nothing is hatching.

No hardware imitates a half-inch freshwater shrimp well — this is a jig game: a small olive/tan micro-jig under a slip float worked along the weed edges, or fished just off bottom in fall. Otherwise treat scud water as the signal that the lake grows big fish.

The event happens over weed beds, chara and marl flats and shoal-zone debris in calcium-rich lakes

Leeches (stillwater staple)Active window

Typical here: Jan 1 – Dec 31 · year-round — the go-to at ice-off before the chironomids start, and again through fall

adultany hour; low light and the cool ends of the season fish best — slow steady hand-twist or 2–3 inch pulls — in fall a slow steady pull outfishes a fast strip — or hang a balanced leech under an indicator

Baseline food, not an event — the honest 'nothing is hatching' answer on every interior lake, bracketing the season at ice-off and late fall.

The most spin-friendly item on the menu, with agency-documented tactics: slow-troll a Worden's Triple Teazer or Panther Martin along the drop-offs (the BC agency's own recommendation), or fish a black or olive marabou jig under a slip float over the shoal edge.

The event happens over shoal-zone vegetation, woody debris and rock, sliding to the drop-offs by day

Next on this water

Callibaetis (Speckled Dun) · mayflyApr 15 – Jul 31 · in ~7 months

Damselfly migration · forageJun 1 – Jul 31 · in ~9 months

Traveling sedge (giant lake caddis) · caddisJun 10 – Aug 15 · in ~9 months

Recommendations come from depth structure and seasonal species behavior. Treat them as a starting point, not a guarantee. Contours on this water are approximations. Never use for navigation. Always check local regulations.

Depth · ft

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Recent catches at Mamit Lake

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Fishing Mamit Lake: what the data says

499-acre lake in Thompson-Nicola Regional District, British Columbia. The lake tops out around 46 ft. Bathymetry on this water is estimated from its real outline and maximum depth. Use it to shortlist water, then verify with your electronics — and never navigate by it. Here's the year, species by species, as the scoring engine sees it.

Mamit Lake maps at 499 acres behind 9.6 miles of shoreline — 2 islands included. The 3.1 development index tells the story — a convoluted bank whose fishable edge far outruns the acreage. Littoral water — the productive band under ~15 ft — makes up 43% of this chart, as modeled. The basin spans about 2.8 mi end to end and 0.6 mi across at its widest. It sits in Thompson-Nicola Regional District. Its nearest charted neighbour, Dot Lake, is 4 mi to the west.

Burbot fishing at Mamit Lake

Early season burbot use the shallows, holding in 14 to 46 ft. Even in summer they hold at 14 to 46 ft; winter keeps them in 12 to 46 ft. Put Deep basin first on the milk run — a deep basin near 39 ft that grades prime for spring. In summer the feeding windows fall in after dark and midday. Tie on a heavy jig + cut bait and you're in the game.

Season	Depth	Best window	Start at	Go-to baits
Spring	14 to 46 ft	night & dusk	Deep basin (39 ft)	Glow jigging spoon + cut bait, Rattle bait (dark)
Summer	14 to 46 ft	night & midday	Deep basin (39 ft)	Heavy jig + cut bait
Fall	14 to 46 ft	night & dusk	Deep basin (39 ft)	Glow spoon + minnow head, Blade bait (slow)
Winter	12 to 46 ft	night & dusk	Deep basin (39 ft)	Glow tungsten + cut bait, Rattle spoon + minnow head

Rainbow Trout fishing at Mamit Lake

Come spring, look for rainbow trout tight to the bank in 5 to 20 ft. Expect a summer slide to 8 to 30 ft, then a winter hold in 8 to 40 ft. Start at Break off the point. It's a drop-off holding about 21 ft of water and rates prime come winter. Prime time lands in early morning and the evening. A dodger + spoon (deep troll) or a flutter spoon is the honest summer answer here.

Season	Depth	Best window	Start at	Go-to baits
Spring	5 to 20 ft	dawn & dusk	Main-lake point (12 ft)	Inline spinner (silver), Small spoon
Summer	8 to 30 ft	dawn & dusk	Break off the point (21 ft)	Dodger + spoon (deep troll), Flutter spoon
Fall	10 to 35 ft	dawn & dusk	Main-lake point (12 ft)	Casting spoon, Jerkbait over shoals
Winter	8 to 40 ft	dawn	Break off the point (21 ft)	Jigging spoon, Tube jig (white)

Lake Whitefish fishing at Mamit Lake

Spring puts lake whitefish in skinny water — 15 to 45 ft is the zone. As the season builds they drop to 14 to 46 ft, wintering in 14 to 46 ft. Summer lake whitefish concentrate at Deep basin, a prime-rated deep basin around 39 ft. Warm-month bites cluster around early morning. A blade bait vertical or a small jigging spoon covers the summer program.

Season	Depth	Best window	Start at	Go-to baits
Spring	15 to 45 ft	midday & dawn	Break off the point (21 ft)	Small jig + waxworm, Blade bait (small)
Summer	14 to 46 ft	dawn	Deep basin (39 ft)	Blade bait vertical, Small jigging spoon
Fall	8 to 30 ft	dusk	Break off the point (21 ft)	Small spoon (gold), Jig + plastic larva
Winter	14 to 46 ft	midday & dawn	Deep basin (39 ft)	Jigging spoon + bead chain, Tungsten jig + waxie

Notable structure

The chart marks 6 structure features on Mamit Lake; the deepest is Deep basin at about 39 ft.

Deep basin: deep basin, around 39 ft
Break off the point: drop-off, around 21 ft
Main-lake point: point, around 12 ft
Secondary point: point, around 12 ft
Shallow bay flat: weed flat, around 6 ft
Back-bay flat: weed flat, around 6 ft

Mamit Lake fishing regulations

Season dates, license requirements, and size and bag limits for British Columbia waters are set by the BC freshwater fishing synopsis — and special regulations can apply to Mamit Lake specifically, so confirm the current rules before you fish.

Check the official British Columbia fishing regulations →

Common questions

How deep is Mamit Lake?

Mamit Lake is about 46 ft (14 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.

What fish are in Mamit Lake?

Anglers target burbot, rainbow trout, lake whitefish on Mamit Lake.

Where is the best fishing spot on Mamit Lake?

Deep basin is the top-rated area: a deep basin in about 39 ft of water that rates prime for burbot in spring. Scroll up to the map for the complete spot list by species and season.

When is the best time to fish Mamit Lake?

For burbot, the summer bite is best in after dark and midday. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.

What are the fishing regulations for Mamit Lake?

Fishing on Mamit Lake is regulated by the BC freshwater fishing synopsis. Check the official British Columbia regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.

Nearby waters

Dot Lake 4 mi · Danish Lake 4 mi · Tolman Lake 5 mi · Cousineau Lake 6 mi · Tom Peter Lake 6 mi · Sophia Lake 6 mi · Homfray Lake 7 mi · Revelle Lake 8 mi · Logan Lake 8 mi · Helmer Lake 8 mi · Desmond Lake 9 mi · Dartt Lake 9 mi

See how Mamit Lake stacks up: best rainbow trout lakes in British Columbia · best lake whitefish lakes in British Columbia · best burbot lakes in British Columbia

More water nearby: Thompson-Nicola Regional District fishing maps (322 charts). Browse all British Columbia fishing maps or see every water on DepthScout. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.