The bear was "likely aggravated" by the couple's dog, which wasn't on a leash at the time and was barking at the animal, park officials said.
The park explained that there are currently no plans to locate the grizzly bear, saying that "there is no indication that this bear is unusually dangerous."
Powell County Sheriff Gavin Roselles said the bear wandered into the victim's campsite a couple of times before the mauling occurred.
Allen Minish, 61, had been inputting data to his GPS during a real estate surveying trip when the bear attacked.
Carl Mock died after a 410lb grizzly bear attacked him
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.