Lost Dog Creek is a tributary creek flowing into Mather Creek. Recorded fish: Westslope cutthroat, bull trout, rainbow, cutthroat, dolly varden, kokanee.
The water
It flows into Mather Creek within the St. Mary River watershed (St. Mary River → Kootenay River). It runs stream order 3 (mid-range in the network; the scale runs from 1 for a headwater trickle to 6+ for a river) and roughly 19 km. Westslope Cutthroat Trout, Bull Trout, Rainbow Trout, cutthroat, dolly varden, Kokanee, recorded here in provincial fish-inventory data (14 records).
The fishing
As a small stream, a tributary of Mather Creek, Lost Dog Creek fishes the way creeks of its size do: short drifts with a buoyant attractor dry over a light dropper, working the pocket water and the heads of pools. Match the fly box to the season and confirm against a current local report.
Conditions
- Navigability: mixed, confirm access and flow before choosing drift vs wade (median channel width ~6 m, moderate width; median gradient ~0.34%, very gentle; peak mean-annual discharge ~0.142 m³/s, very low flow).
Access & the rules
Access for Lost Dog Creek, meaning the roads in, put-ins and any walk-in or seasonal limits, is worth confirming locally before you commit a day. The drainage map shows how the water sits in its valley.
