It flows into Columbia River within the Upper Arrow Lake watershed (Upper Arrow Lake → Columbia River). It runs stream order 5 (well down the network, toward river scale; the scale runs from 1 for a headwater trickle to 6+ for a river) and roughly 13 km. Kokanee, recorded here in provincial fish-inventory data (7 records). The fish-passage model expects Bull Trout, Westslope (Yellowstone) Cutthroat Trout here too, since the reach is reachable with no barrier between, though there is no direct record yet.
The fishing
As a small stream, a tributary of Columbia River, Cape Horn 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.
water_drop
Tributary Creek
Upper Arrow Lake watershed
straighten
Stream order 5
~13 km
set_meal
Kokanee
7 records
footprint
Wade / Technical
Conditions
Navigability:wade / technical: steep gradient, pocket water (median channel width ~5 m, moderate width; median gradient ~10.82%, very steep; peak mean-annual discharge ~1.271 m³/s, low flow; canyon-confined sections with ~137 m walls (DEM)).
Access & the rules
Access for Cape Horn 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 Columbia River system.. Official synopsis: gov.bc.ca fishing regulations.