hen Idaho Department of Fish and Game biologists stocked yellow perch into Lake Cascade in 2003, they laid the foundation for what would become one of the best perch fisheries on the planet. Just over a decade later, state and world records were falling to the giant perch the reservoir produced. Fish weighing more than 2 pounds–a rarity almost anywhere else–became common. Now 20 years into this grand experiment, Lake Cascade, located in the scenic mountains of central Idaho approximately 75 miles north of Boise on State Highway 55,