Canada Fly Guide
Rivers & Lakes · Tributary Creek

Sunk Creek

A creek in the St. Mary River watershed, a tributary of Wild Horse River. Fish are expected here, though it carries no direct inventory records yet.
Updated July 31, 2026

Wildfire & Access

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Sunk Creek is a tributary creek flowing into Wild Horse River. Fish presence expected (barrier-free access to recorded habitat), not yet confirmed by direct records.

The water

It flows into Wild Horse River 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 2 km. Bull Trout, Westslope (Yellowstone) Cutthroat Trout expected: the fish-passage model shows this water connects to recorded habitat with no barrier between, though it has no direct records of its own yet.

The fishing

As a small stream, a tributary of Wild Horse River, Sunk 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.

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Tributary Creek
St. Mary River watershed
straighten
Stream order 3
~2 km
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Fish expected
no direct records yet
footprint
Wade Water

Conditions

  • Navigability: wade water: narrow channel, fish on foot (median channel width ~1.5 m, narrow; median gradient ~32.58%, very steep; peak mean-annual discharge ~0.018 m³/s, very low flow).

Access & the rules

Access for Sunk 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.

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Before you fish

Confirm the current BC freshwater fishing regulations (Region 4 – Kootenay) before you go This water is part of the Wild Horse River system.. Official synopsis: gov.bc.ca fishing regulations.