Grizzly II: Revenge

"In Yellowstone National Park, grizzlies and other wildlife roam free while the park is preparing for a major rock concert to be held in 3 days. Poachers are hunting for grizzlies and one of the poachers end up killing a cub and wounding it's mother. The grizzly takes revenge killing hikers, a deputy ranger and the poacher who killed her cub.