Cassafuir enjoys, with three other local landowners, the riparian rights to Loch Rusky and the water is managed as a trout fishery by the fifth riparian owner, George Heriot's F.P. Angling Club.

Although primarily a private fishing club, Heriot's have a boat available for public hire by the day from April to September and more details regarding hiring are available from the Bookings Manager, John Robertson, Telephone 0131 667 3017 jowiro3dn@btinternet.com