Kobe Port Tower was completed in 1963 and paused operation from late 2009 until April 28, 2010 for renovation. This tower is observation tower and become landmarks of Kobe. The tower is near the sea port.
You can visit Kobe port by train or bus but for getting to the port direct and easy to walk is by bus. For train you can get both Hankyu Line or JR Line. They also have bus city loop for tourists can join. This loop you can see all main attractions in Kobe. It’s cost 680 yen for one day.