Ha! Found it! Park in Taura.

The sign above sits on a hilltop high above the Yokosuka-Yokohama Expressway. It is in a park in Taura.

There is a brand new little playground for kids here too. It is not open yet. I am not sure when the playground will actually open because I saw the sign way down there after I had walked all the way back up.

I'm not sure if these are Sakura (cherry blossoms) or plum blossoms. The trees here were just starting to bloom, so I think they may be the first Sakura flowers. This hill looks to be a great place to view Japan's unofficial national flower.

I don't know of a good way to get up to this park because I came and left via trail.