Sakishima Cosmo Tower Observatory

Osaka has plenty of observation decks, and most of them look inward at the city center. The Sakishima Cosmo Tower Observatory looks outward. It sits near the top of a 55-storey tower in Suminoe Ward, on the reclaimed land of Sakishima beside Osaka Bay, and its views take in the water, the container port, the long bridges and the Osaka skyline across the bay. That makes it a good complement to the busier decks at Umeda Sky Building and Abeno Harukas, and a better choice if you want a quieter visit and a wider view of the waterfront. It is one of the lowest-priced viewpoints in the city, and the crowds are far thinner than at the famous towers, so you can usually take your time at the windows. The observatory is best known among locals for sunsets, when the bay turns gold and the lights of the port come on, and many visitors time their arrival for the hour before dusk. The tower itself is a government and office building, so the atmosphere is quiet and practical rather than touristy, and you should check access arrangements and opening times when you book.

What you see. Looking west, you take in Osaka Bay, the harbor with its cranes and container yards, and the big bridges that cross the water. Back toward the city, the skyline of the center rises in the distance, with Abeno Harukas the obvious landmark, and on clear days you can pick out the hills of the Rokko range behind Kobe. Because the deck is away from the dense center, the view feels open and calm, with more sky and water than buildings.

It is best on clear days, and the hour before sunset is the favorite for photographs. Bring a small zoom or use your phone's telephoto lens, because the cranes, ships and bridges make better subjects than you might expect, and the flat reclaimed land gives an unusually clean horizon.

Getting there. The tower is next to Cosmosquare Station, which is served by the Osaka Metro Chuo Line and the New Tram Nanko Port Town Line, so it is straightforward to reach from Hommachi, Namba or Tempozan. The area around it is mostly offices and port facilities, with limited restaurants, so plan to eat before or after rather than at the tower.

Check the opening hours when you book; as a working building, the tower may not keep the long evening hours of the big commercial decks. Tickets are sold for a chosen date, and a modest group size limit applies, which is rarely a problem at a viewpoint this quiet.

Who it suits. It is a good pick for repeat visitors who have already done Umeda Sky Building or Harukas, for photographers who want a bay view, and for anyone who would rather avoid queues for a lift. It combines naturally with the Tempozan area: ride the Chuo Line the other way for the aquarium, the Ferris wheel and the Santa Maria cruise, and you have a harbor-themed day with three different viewpoints.

For a first-time visitor with only one evening, the Umeda or Harukas decks give a better view of the city's neon; for a calm, uncrowded look at the bay and the sunset, this is the one to choose.