The winter event at Akasaka Sacas — “White Sacas ~The Rink at Akasaka Sacas~” — is being held until Feb 19.
Besides the 10-meter-tall Christmas tree, there is an ice skating rink.
The rink is open from 11 a.m. until 7 p.m. Sunday-Thursday (until 9 p.m. on Fridays and Saturdays). Admission is 1,000 yen for adults and 500 yen for children under 13. Skates can be rented for 500 yen.
If you want to see more details, please click here.