Canada Fly Guide
Rivers & Lakes · Tributary Creek

Boulder Creek

A stocked creek in the Kootenay Lake watershed, a tributary of Kootenay River, carrying Kokanee, Rainbow Trout and Westslope (Yellowstone) Cutthroat Trout and topped up by the provincial stocking program.
Updated July 31, 2026

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Boulder Creek is a tributary creek flowing into Kootenay River. Recorded fish: Kokanee, Rainbow Trout, Westslope (Yellowstone) Cutthroat Trout.

The water

It flows into Kootenay River within the Kootenay Lake watershed (Kootenay Lake → Kootenay River). It runs stream order 4 (mid-range in the network; the scale runs from 1 for a headwater trickle to 6+ for a river) and roughly 10 km. Kokanee, Rainbow Trout, Westslope (Yellowstone) Cutthroat Trout, recorded here in provincial fish-inventory data (26 records).

Stocking

For an angler judging whether the fishing is worth the drive, the stocking record is the fishing report. Boulder Creek is a kokanee program, a mix of forage stocking and a put-and-take sport fishery: 6 recorded releases totalling 2,266,460 fish (Kokanee), last stocked 2010-10-22.

Stocking record

Boulder Creek — 2,266,460 fish stocked, 1958–2010

Kokanee. Source: Province of BC — FIDQ / FISS Fish Releases via the Freshwater Fisheries Society of BC.

YearKokanee
20101,220,639
2008300,000
2007149,792
2006206,029
2005300,000
195890,000

Stocking appears to have wound down after 2010. Confirm whether it is still topped up or now fishes as a residual, wild population. The chart below shows the full release history.

The fishing

As a small stream, a tributary of Kootenay River, Boulder 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. The stocking record below is the truest read on what you will catch.

water_drop
Tributary Creek
Kootenay Lake watershed
straighten
Stream order 4
~10 km
set_meal
Kokanee and Rainbow Trout
26 records
egg
Stocked
kokanee program

Conditions

  • Navigability: wade / technical: steep gradient, pocket water (median channel width ~5.7 m, moderate width; median gradient ~10.63%, very steep; peak mean-annual discharge ~0.703 m³/s, very low flow).

Access & the rules

Access for Boulder 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.

gavel

Before you fish

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