Shouwa memorial Park☆
From 8 to 25th of December, Winter Vista Illumination is held at
Shouwa memorial park (昭和記念公園）in Tachikawa.
You can see some champagne flute towers, illuminated fountain and even Fireworks!!
It is rare to watch fireworks in winter, so you had better not to miss it :)
More info.→http://www.showakinenpark.go.jp/2006winter/index.html (in Japanese only)
Access: Take Ginza line from Asakusa Sta. to Kanda Sta.
Change trains for JR Chuo line to Tachikawa Sta.
It will take about 1hour from Sakura Hostel.