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Fishing around Yellowknife
AI field guide · refreshed weeklyFall Fishing in Yellowknife: Arctic Char and Lake Trout in September
What's biting
Arctic Char
Where: Shallow bays and creek mouths of Yellowknife Bay and Dettah Lake; moving into deeper water as surface temps drop.
Use small spinners (size 1–2), spoons, or live minnows in 2–5 m (6–16 ft) of water. Early morning and dusk are most productive; char are feeding heavily before freeze-up.
Caution: Handle carefully—sharp gill plates. Verify slot limits and minimum size with the regulator before keeping any fish.
Lake Trout
Where: Deeper structure in Yellowknife Bay, around submerged rock piles and drop-offs; also accessible from Dettah Lake's main basin.
Fish 8–15 m (26–50 ft) with jigging spoons or small tube jigs; vertical jigging is most effective this time of year. Slow presentations work best in cooling water.
Caution: Lake trout are slow-growing in the Arctic; consider catch-and-release to preserve populations.
Northern Pike
Where: Weedy shallows and bay margins of Yellowknife Bay; pike remain active in fall but are less predictable than char.
Cast larger spinners (size 3–4) or soft plastics along vegetation edges in 1–3 m (3–10 ft) of water. Retrieve steadily or use a stop-and-go pattern.
Caution: Pike have sharp teeth; use a steel leader or bite tippet to avoid line breakage.
Whitefish (Broad Whitefish & Arctic Cisco)
Where: Open water of Yellowknife Bay and Dettah Lake; often schooling in mid-water column.
Use small jigs (1–3 g / 0.04–0.1 oz) tipped with maggots or small minnow pieces. These fish are abundant but require patience and light tackle.
Caution: Whitefish are excellent eating but small; check regulations for any species-specific guidance.
Best times
Early morning and dusk through mid-September; fish actively before water temperature drops further. Expect frost by late September (typically around Sep 25), so plan trips accordingly. Waning crescent moon (Sep 8–11) favors low-light periods.
Waters to try
- Yellowknife Bay, Dettah Lake, Mackenzie River (lower reaches near Yellowknife)
Regulations
Consult Government of Northwest Territories Sport Fishing (https://www.gov.nt.ca/ecc/en/services/sport-fishing) for current season dates, slot limits, daily catch limits, and licensing requirements. Regulations vary by species and water body. A valid NWT sport fishing license is required. Ice-out timing and fall season closures are strictly enforced.
Government of Northwest Territories – Sport Fishing ↗The fishing note for Yellowknife, every week
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