Across Fukuoka Rooftop Observation Deck (Across Yama) sits on the roof of Across Fukuoka next to Tenjin Central Park in Fukuoka. About 400 steps through greenery lead up to views of central Fukuoka, Fukuoka Tower, and Hakata Bay. The rooftop is open only on Saturdays, Sundays, and public holidays from 10 a.m. to 4 p.m., while on weekdays visitors can go up to the 13th floor. There are no toilets or vending machines along the way.