Mount Olympus the home of the gods except Hades but he was only allowed at the winter slostice the darkest day of year because he bought evil and darkness where ever he goes. First mount Othrys the home of Kronos was the largest mountain[15,000 feet] and mount olympus [13,000 feet].Then olympians overthrew Kronos the olympians cut mount othrys into half and it became 9,000 feet. after that it was the only largest mountain in Greece.