Grizzly (1976)
An eighteen foot tall grizzly bear terrorizes a state park, leaving it up to a Park Ranger to save the day
Grizzly II: Revenge (2020)
All hell breaks loose when a giant Grizzly, reacting to the slaughter of Grizzlies by poachers, attacks at a massive big band rock concert in the National Park
Devil Times Five (1974)
After five insane children are involved in a van wreck, they start killing people at a lodge who insulted them or were rude to them