Unna Lake Depth Map & Fishing Spots (BC)

Skip to interactive depth chart

Lake depth chart

Unna Lake, BC

Max 75 ft

Today's read

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

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

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

Loading bounded depth chart…

Recent catches at Unna Lake

Recent public catches load as you reach this section.

Fishing Unna Lake: what the data says

108-acre lake in Cariboo Regional District, British Columbia. The lake tops out around 75 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. What follows comes from the same scoring engine that paints the spots above.

The drawn water covers 108 acres wrapped in 1.7 miles of bank. The basin is a simple one (shoreline index 1.1) — close to a bowl, so the structure on the chart matters more than the bank. Roughly 50% of the water is 15 ft or less as modeled, the band where the food chain lives. Call it 0.6 mi long by 0.4 mi wide at the broadest reach. It sits in Cariboo Regional District. Babcock Lake sits 2 mi northwest — the closest neighbouring chart.

Kokanee fishing at Unna Lake

Early season kokanee use the shallows, holding in 10 to 30 ft. Expect a summer slide to 30 to 70 ft, then a winter hold in 19 to 75 ft. Put Deep basin first on the milk run — a deep basin near 64 ft that grades prime for summer. In summer the feeding windows fall in early morning. Tie on a dodger + pink/orange squid on downrigger or a kokanee bug + corn and you're in the game.

Season	Depth	Best window	Start at	Go-to baits
Spring	10 to 30 ft	dawn	Break off the point (34 ft)	Small dodger + squid (pink), Wedding-ring spinner + corn
Summer	30 to 70 ft	dawn	Deep basin (64 ft)	Dodger + pink/orange squid on downrigger, Kokanee bug + corn
Fall	5 to 40 ft	dawn	Break off the point (34 ft)	Dodger + squid (deeper red/purple), Small spoon
Winter	19 to 75 ft	dawn	Deep basin (64 ft)	Small glow jig + corn or maggot, Tiny spoon

Lake Whitefish fishing at Unna Lake

Start shallow in spring: lake whitefish sit in 15 to 45 ft that time of year. Summer pushes them deeper, 23 to 75 ft, and winter fish settle into 25 to 70 ft. The spot to know is Deep basin, a deep basin in about 64 ft of water that rates prime for lake whitefish in summer. Warm-month bites cluster around early morning. Throw a blade bait vertical or a small jigging spoon until the fish tell you otherwise.

Season	Depth	Best window	Start at	Go-to baits
Spring	15 to 45 ft	midday & dawn	Break off the point (34 ft)	Small jig + waxworm, Blade bait (small)
Summer	23 to 75 ft	dawn	Deep basin (64 ft)	Blade bait vertical, Small jigging spoon
Fall	8 to 30 ft	dusk	Main-lake point (19 ft)	Small spoon (gold), Jig + plastic larva
Winter	25 to 70 ft	midday & dawn	Deep basin (64 ft)	Jigging spoon + bead chain, Tungsten jig + waxie

Notable structure

Unna Lake carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 64 ft down.

Deep basin: deep basin, around 64 ft
Break off the point: drop-off, around 34 ft
Main-lake point: point, around 19 ft
Secondary point: point, around 19 ft
Shallow bay flat: weed flat, around 6 ft
Back-bay flat: weed flat, around 6 ft

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

Check the official British Columbia fishing regulations →

Common questions

How deep is Unna Lake?

Unna Lake is about 75 ft (23 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 Unna Lake?

Anglers target kokanee, lake whitefish on Unna Lake.

Where is the best fishing spot on Unna Lake?

Deep basin is the top-rated area: a deep basin in about 64 ft of water that rates prime for kokanee in summer. Open the map above to see every rated spot for each species and season.

When is the best time to fish Unna Lake?

For kokanee, the summer bite is best in early morning. 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 Unna Lake?

Fishing on Unna 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

Babcock Lake 2 mi · Sandy Lake 3 mi · Skoi Lake 3 mi · Hunter Lake 4 mi · Lanezi Lake 9 mi · Swan Lake 10 mi · Chisel Lake 12 mi · Isaac Lake 13 mi · Atan Lake 13 mi · Bowron Lake 14 mi · Wendle Lake 15 mi · Indianpoint Lake 15 mi

See how Unna Lake stacks up: best kokanee lakes in British Columbia · best lake whitefish lakes in British Columbia

More water nearby: Cariboo Regional District fishing maps (445 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.