This study was intended to clarify the change of charm and the impression of the season in river landscape and green open space. This study area was Kamo River by autumn from spring in Kyoto. There was direct interview question investigation from visitors on the both sides of the two sections. This investigation was the impression evaluation experiment using the SD method to investigate the impression of the river landscape scene every seasons. There analyzed factor analysis and profile analysis. Thera performed an analysis of variance between seasons (spring, summer and autumn) to check whether the impression evaluation in two sections included significant difference. The answer that there was the most accounted for 19.5% of the whole by a landscape scene. The people more than 90% of the respondent answered that the making of space feeling the four seasons was important. From the result of the SD method, it was easy to feel the change of the tree visually in autumn with spring, and it was thought that a natural element influenced an impression. In addition, an overall element including the urb an river and the townscape influenced an impression in the summer because the colors of the tree were monotonous.