Night of the grizzlies 1969 is a book by jack olsen which details events surrounding the night of august 13 1967 when two young women were separately attacked and killed in glacier national park montana by grizzly bears. I stumbled across this documentary the other day i thought i would share because i am unable to find it on youtube so here ya go enjoy this terrifying t. The night of the grizzly is a 1966 western adventure film starring clint walker martha hyer keenan wynn jack elam and nancy kulp directed by joseph pevney and written by warren douglas the film was released by paramount pictures on april 20 1966 it was pevneys final film. Night of the grizzlies on a summer night in 1967 a tragedy in glacier national park would transform the way we care for wild places