Rusty Creek is a small, official creek on the west side of the Duncan/Lardeau country, named by Natural Resources Canada at 50.455, -117.190278. Multiple Rusty Creek namesakes exist across BC; this is the Kootenay Land District record that matches the local Duncan geometry. The creek carries no direct fish record in provincial data, so treat it as a scouting and regulation-confirmation water within the wider Duncan Lake drainage rather than a proven destination.
The water
Rusty runs stream order 3 (still close to the headwater end of the network, on a scale that runs from 1 for a headwater trickle up to 6 or more for a full river) and stretches roughly 4 km, flowing directly into Duncan Lake. Channel-geometry data puts the median width at about 3 m (narrow), the gradient at about 0% in the mapped reach (essentially flat, very gentle), and the peak mean-annual discharge at roughly 0.1 m³/s (very low flow), consistent with a small headwater tributary. The local waterway index carries an inferred, watershed-level fish list for the drainage, including westslope cutthroat, bull trout, rainbow and Kokanee, but that list describes the broader west-side Duncan/Lardeau watershed context, not a confirmed catch or survey on Rusty Creek itself. No named-line observation for the creek has turned up in the local fish-record model.
The fishing
With no direct fish record, no fishing report and no creek-specific guide coverage found, there is nothing yet to promote Rusty Creek as a destination. Reel Adventures Fishing Charters covers Duncan Lake at the lake and charter level, but that does not extend to this creek. If you are already scouting the west-side Duncan/Lardeau drainages alongside nearby Le Beau Creek and Copper Queen Creek (a direct rainbow trout record water), Rusty is worth a look, fished carefully and away from any staging or spawning fish, but plan the trip around access and regulation confirmation first.
The west-side Duncan/Lardeau creeks share a cold-tributary food base: Stoneflies, Caddisflies (Sedges), Mayflies, midges and Terrestrials (Hoppers, Ants, Beetles) through the season, with fry and Sculpin where habitat allows in the connected basin. No hatch-specific data has turned up for Rusty Creek itself, so treat timing as a starting point rather than a confirmed hatch chart. Where legal and away from redds or staging fish, a small Elk Hair Caddis, Adams, Royal Wulff or Stimulator on top, a Prince, Hare's Ear or Pheasant Tail underneath, and a small Woolly Bugger for fry or sculpin, cover the likely food base.
Duncan Reservoir context
Conditions
- Navigability: narrow and low-flow (median width ~3 m, narrow; gradient ~0% in the mapped reach, essentially flat; peak mean-annual discharge ~0.1 m³/s, very low flow), consistent with a small headwater tributary best fished on foot.
- Stocking: no stocking record. Any fish present would be wild.
Access and the rules
No public access note, road condition or trailhead has been confirmed for Rusty Creek. Scout it as part of a west-side Duncan/Lardeau trip alongside Le Beau Creek and Copper Queen Creek, and confirm current road and tenure status before heading in.

