The Skyline 100 Hong Kong Observation Deck is the tallest indoor observation deck in Hong Kong, China. It is located on the 100th floor of the Global Trade Plaza, the tallest building in Hong Kong. The height of the Skyline 100 is 393 meters and the observation deck covers an area of about 30,000 square feet. Visitors can enjoy a 360-degree view of Victoria Harbour and the Kowloon Peninsula from 393 metres above sea level, and Macau as far away as possible.