I think anytime is a good time. It is super cool from the tower and was lovely to stroll around in the heals of snow. I can only imagine the beauty during the Fall.

五稜郭は再建された奉行所もありますが自転車で入るのをやめて、四稜郭へ自転車で行けばいかがでしょうか？ 四稜郭は観光地図にも載っていなくて、ほとんどの人は知りませんが五稜郭と並んで立派な遺跡です。 函館の人も知らないくらいの遺跡ですが、見る人も居ない私の好きなお勧めの場所です。

Ww stayed nearby Hakodate bus terminal which is just beside Hakodate train station. You may google for hotels becayse there are many in that area. Take a bus from the terminal to Mount Hakodate. One way is 400 yen. You can use Suica card or pay cash on the bus. Take tram at Hakodate Ekimae for Goryokoku Park. Upon arrival, appx 10 mins walk.

We are frequent travelers to Japan and so we can go to the Park by public transportation in accordance with the time frame available. Our cruise "Princess Diamond" provided free transportation from the "port" to the carpark next to Hakodate JR Railway Station. We just took the tram in front of the JR station for a 5 minutes journey (we forget the name of the tram stop, but you can ask the driver by then or see the directory notice on board of the tram) and then have a leisure walk for less than 10 minutes along the main road to the Park. Please rest assured that there are sufficient indicatory signages around the area or you can ask the staff of the Information Office inside the JR Station and obtain a simple map from there before you go by your own. Normally sakura blossoms well by late April to very early May each year in Goryokaku Park but due to global warmth effect, possibly you can still see some cherry flowers there at the time of your visit if you are lucky. We just mention this to you just to remind you of the time you need to allow for returning back to the ship for most of the photo-takers will forget everything when they visit this beautiful sakura park in springtime. Have a nice trip.

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Hi, the best timing for cherry blossom would be from late of April to early of May. Japan has a lot of Sakura Festivals at that time. For example, Hakodate Park Sakura Festival, Goryoukaku Sakura Festival, Matsumae Sakura Festival and so on. I think the best place to stay would be in Hakodate. You can visit Hakodate Sakura Festival and Matsumae Sakura Festival. What's more, you can access to Hirosaki Sakura Festival, which will be held in Hirosaki City, Aomori Prefecture. You will be able to go along with the Cherry blossom front if you start journey from Hirosaki to Hakodate. Thanks for asking me and hope it helps.