Trophy Brook Trout in the Canadian Rockies, situated in a UNESCO World Heritage Site. Brookies average 3 – 6 pounds (12 pound record). Stunning scenery and a breathtaking helicopter flight brings you into Fortress Lake. Spectacular wilderness fly fishing guided experience with rustic luxury at our all-inclusive retreat. Tucked away in a remote valley dominated by peaks and glaciers, Fortress offers some of the largest brook trout on the plane.