Confirm the current BC freshwater fishing regulations (Region 4 – Kootenay) before you fish.

It sits in the East Kootenay (89) watershed (East Kootenay (89)). 18 releases, recorded here in provincial fish-inventory data.

As a small stream, Aosta Upper Lake fishes the way lakes 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.

Access for Aosta Upper Lake, 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.