Onlookers watched in horror from the chairlift above, attempting to warn the man of the danger on a slope in Predeal, Romania.
Wildlife officials later found the female bear and euthanized the animal, taking her two cubs into their possesion.
"If that bear would have gotten in the house, it probably would have been all over for us," Sid Lebarron said.
"Once she grabbed me it was like a car wreck it happened so quick," the hunter Ronnie Dalton said.
A bear was spotted suddenly climbing onto the trunk of car on a roadway heading to Sequoia and Kings Canyon National Park.
The guard "was attacked by a polar bear and injured on his head," the cuise ship operator said.
It was an action "we don't condone," a wildlife specialist said.