Otter Lake Depth Map (Okanagan-Similkameen Regional District, BC)

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Lake depth chart

Otter Lake, BC

Max 86 ft

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Where to start

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 Otter Lake

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Fishing Otter Lake: what the data says

502-acre lake in Okanagan-Similkameen Regional District, British Columbia. The lake tops out around 86 ft. The depth picture is modeled, anchored to the true shoreline and the water's published max depth — a scouting aid, never a chart to run a boat by. Species by species, here's what the data says the year looks like.

On the chart, Otter Lake draws 502 acres inside 7.8 miles of shoreline. The 2.5 development index tells the story — a convoluted bank whose fishable edge far outruns the acreage. About 15% of the surface sits shallower than 15 ft on the modeled chart — that's the weed-and-bait zone. Figure 3.3 mi of water from one end to the other, 0.5 mi at the beam. The water lies in Okanagan-Similkameen Regional District. Closest neighbour on DepthScout: Murphy Lakes, 7 mi west of here.

Brook Trout fishing at Otter Lake

The spring pattern is a shallow one: brook trout in 2 to 15 ft. Midsummer fish sit out in 10 to 30 ft before dropping to 3 to 20 ft for winter. The spot to know is Shallow bay flat, a feeding flat in about 6 ft of water that rates good for brook trout in spring. Plan around early morning and the evening in the warm months. Summer baits: a small spoon fished deep or a trolled lake-clear wobbler + worm gets it done.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 15 ft	dawn & dusk	Shallow bay flat (6 ft)	Small inline spinner (gold), Tiny spoon
Summer	10 to 30 ft	dawn & dusk	Break off the point (39 ft)	Small spoon fished deep, Trolled lake-clear wobbler + worm
Fall	2 to 15 ft	midday & dawn	open water	Small spoon (orange), Spinner
Winter	3 to 20 ft	dawn	Shallow bay flat (6 ft)	Small jigging spoon, Tungsten jig + plastic

Kokanee fishing at Otter Lake

The spring pattern is a shallow one: kokanee in 10 to 30 ft. Midsummer fish sit out in 30 to 70 ft before dropping to 20 to 80 ft for winter. The spot to know is Deep basin, a deep basin in about 73 ft of water that rates prime for kokanee in winter. Plan around early morning in the warm months. Summer baits: a dodger + pink/orange squid on downrigger or a kokanee bug + corn gets it done.

Season	Depth	Best window	Start at	Go-to baits
Spring	10 to 30 ft	dawn	Deep basin (73 ft)	Small dodger + squid (pink), Wedding-ring spinner + corn
Summer	30 to 70 ft	dawn	Deep basin (73 ft)	Dodger + pink/orange squid on downrigger, Kokanee bug + corn
Fall	5 to 40 ft	dawn	Break off the point (39 ft)	Dodger + squid (deeper red/purple), Small spoon
Winter	20 to 80 ft	dawn	Deep basin (73 ft)	Small glow jig + corn or maggot, Tiny spoon

Lake Trout fishing at Otter Lake

The spring pattern is a shallow one: lake trout in 10 to 40 ft. As the season builds they drop to 26 to 86 ft, wintering in 20 to 80 ft. Top water on the chart: Deep basin, a deep basin in the 73 ft range, prime in summer. Time it for early morning. Summer baits: a white tube jig (deep) or a magnum spoon on downrigger gets it done.

Season	Depth	Best window	Start at	Go-to baits
Spring	10 to 40 ft	dawn & dusk	Main-lake point (22 ft)	Casting spoon over shoals, Jerkbait (shallow)
Summer	26 to 86 ft	dawn	Deep basin (73 ft)	White tube jig (deep), Magnum spoon on downrigger
Fall	10 to 50 ft	dusk & dawn	Main-lake point (22 ft)	Heavy casting spoon, Jigging rap over reefs
Winter	20 to 80 ft	dawn	Deep basin (73 ft)	White tube jig, Airplane jig

Rainbow Trout fishing at Otter Lake

Start shallow in spring: rainbow trout sit in 5 to 20 ft that time of year. Warm water sends them out to 8 to 30 ft; cold water stacks them in 8 to 40 ft. Top water on the chart: Break off the point, a drop-off in the 39 ft range, prime in winter. Fish it in early morning and the evening and you'll meet the bite. Throw a dodger + spoon (deep troll) or a flutter spoon until the fish tell you otherwise.

Season	Depth	Best window	Start at	Go-to baits
Spring	5 to 20 ft	dawn & dusk	Main-lake point (22 ft)	Inline spinner (silver), Small spoon
Summer	8 to 30 ft	dawn & dusk	Main-lake point (22 ft)	Dodger + spoon (deep troll), Flutter spoon
Fall	10 to 35 ft	dawn & dusk	Main-lake point (22 ft)	Casting spoon, Jerkbait over shoals
Winter	8 to 40 ft	dawn	Break off the point (39 ft)	Jigging spoon, Tube jig (white)

Lake Whitefish fishing at Otter Lake

Come spring, look for lake whitefish tight to the bank in 15 to 45 ft. Expect a summer slide to 26 to 86 ft, then a winter hold in 25 to 70 ft. Start at Deep basin. It's a deep basin holding about 73 ft of water and rates prime come summer. Prime time lands in early morning. A blade bait vertical or a small jigging spoon is the honest summer answer here.

Season	Depth	Best window	Start at	Go-to baits
Spring	15 to 45 ft	midday & dawn	Break off the point (39 ft)	Small jig + waxworm, Blade bait (small)
Summer	26 to 86 ft	dawn	Deep basin (73 ft)	Blade bait vertical, Small jigging spoon
Fall	8 to 30 ft	dusk	Main-lake point (22 ft)	Small spoon (gold), Jig + plastic larva
Winter	25 to 70 ft	midday & dawn	Deep basin (73 ft)	Jigging spoon + bead chain, Tungsten jig + waxie

Notable structure

Structure-wise the chart holds 6 features, led in depth by Deep basin at roughly 73 ft.

Deep basin: deep basin, around 73 ft
Break off the point: drop-off, around 39 ft
Main-lake point: point, around 22 ft
Secondary point: point, around 22 ft
Shallow bay flat: feeding flat, around 6 ft
Back-bay flat: feeding flat, around 6 ft

Otter 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 Otter Lake specifically, so confirm the current rules before you fish.

Check the official British Columbia fishing regulations →

Common questions

How deep is Otter Lake?

Otter Lake is about 86 ft (26 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 Otter Lake?

Anglers target brook trout, kokanee, lake trout, rainbow trout, lake whitefish on Otter Lake.

Where is the best fishing spot on Otter Lake?

Deep basin is the top-rated area: a deep basin in about 73 ft of water that rates prime for kokanee in winter. Open the map above to see every rated spot for each species and season.

When is the best time to fish Otter Lake?

For brook trout, the summer bite is best in early morning and the evening. 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 Otter Lake?

Fishing on Otter 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

Murphy Lakes 7 mi · Dry Lake 8 mi · Mackenzie Lake 9 mi · Mccaffrey Lake 9 mi · Round Lake 9 mi · Allison Lake 11 mi · Coquihalla Lakes 12 mi · Harvey Hall Lake 12 mi · Lodwick Lake 13 mi · Kump Lake 13 mi · Thalia Lake 13 mi · Gladstone Lake 14 mi

See how Otter Lake stacks up: best rainbow trout lakes in British Columbia · best lake trout lakes in British Columbia · best brook trout lakes in British Columbia · best kokanee lakes in British Columbia

More water nearby: Okanagan-Similkameen Regional District fishing maps (47 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.