Canada Fly Guide
Rivers & Lakes · Stillwater

Rock Isle Lake

A stillwater in the Kootenay River watershed, E. of Eohippus Creek and Lake, surface area not recorded, holding Dolly Varden.
Updated July 31, 2026

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Rock Isle Lake is a stillwater in the Kootenay River watershed, E. of Eohippus Creek and Lake. Surface area not recorded.

The water

Rock Isle Lake lies E. of Eohippus Creek and Lake; in the Kootenay River watershed. It covers surface area not recorded. The lake survey puts it at max 12.5 m, which sets the depth you fish.

The fishing

Rock Isle Lake fishes on classic stillwater lines: chironomids over the shoals, leech and attractor retrieves along the drop-offs, and depth or troll work to the shoal-and-drop-off structure. Match the season and confirm against a local report.

waves
Stillwater
Kootenay River watershed
water
max 12.5 m
lake survey
set_meal
Dolly Varden
recorded

Conditions

  • Depth: max 12.5 m, Secchi 8.4 m (BC lake survey 1988-08-23).

Access & the rules

Confirm the launch, parking and any motor/float or seasonal restrictions for Rock Isle Lake locally before you commit a day; the map shows where the lake sits in its drainage.

gavel

Before you fish

Confirm the current BC freshwater fishing regulations (Region 4 – Kootenay) before you go. Official synopsis: gov.bc.ca fishing regulations.