Much of the upper Cains River flows through crown land, owned and managed by the provincial government, and therefore cannot be purchased for private use.
A popular fly pattern originated for the dark, tannin-stained waters of the Cains is the Copper Killer.
Some of the best pools in the lower Cains River are private water and care must be used here.
There is some public water on the lower Cains River, but access can be difficult and use of a licensed fishing guide is encouraged to avoid trespassing.
Salmon fishing is usually best there after a heavy fall rain raises the water level and causes pods of large salmon to begin to move up the Cains River in search of their spawning beds.