Most visiting anglers start with Great Slave Lake or nearby waters around Yellowknife, but the territory still expects you to read the current rule set before you fish. The 2026-2027 NWT sport fishing guide says the Mackenzie River Management Area has special restrictions for Arctic grayling and northern pike, and Area VI on Great Slave Lake has special restrictions for lake trout.
That is the practical lesson for trip planning in the NWT: even well-known waters need a second look in the current chart. If your route includes Great Slave Lake, the safest sequence is simple. Buy the right licence first, then read the daily catch and possession table for the exact area you plan to fish, not just the territory headline rules.