According to the post, the avalanche was about 328 feet across, 656 feet long, and, in some places, six and a half feet deep.

Davis' stepmother says they still can't get answers from the boyfriend who went on the trip.

Completing the top 10 best European countries for hiking this summer are Latvia (88.6), Wales (88.1), Poland (87.8), the United Kingdom (87.1), Austria (86.6) and Hungary (86.5).