Ueno Touganeya Hotel

Ueno Toshogu Botan(Peony) garden
https://www.uenotoshogu.com/en/
1st January to 24th February　 9:30 a.m. to 4:30 p.m.
Place : in Ueno park
※Ueno Toshogu Peony garden was created to celebrate the relationship between Japan and China in 1980. Peony was introduced as the medicinal plant from China and it is considered the king of flowers. You can see more than 200 peonies at the garden fully bloomed.

Dondoyaki at Torigoe Shrine
https://www.japanistry.com/event/dondo-yaki-torigoe-shrine/
8th January (Wednesday )13:00～
Pleace: Torigoe shrine :8 min on foot from Asakusabashi station(Soubu line)
※Dondoyaki is a traditional fire festival to worship and celebrate the god (year god) on the New Year celebration week started from Hei-an period.
People bring all the stuff they used to decorate their house for the New Year and burn them. Then you grill rice-cake ball using that fire. By eating the rice-cake ball, they say you can stay and be healthy for a year.

Furusato (Home-town)Festival at Tokyo Dome.
http://furusatomatsuritokyo.com/
10th January to 19th January.
10th January to 18th January :10:00-21:00.
19th January :10:00-18:00
Place: Tokyo Dome: 6 min on foot from Suidobashi station (Soub line ) .
※You can experience the festivals and food of various places of Japan. You can experience the Nebuta of Aomori prefecture, Kantou of Akita prefecture, Yosakoi of Kouchi prefecture. You can also eat and see special food that you can only eat by going to certain prefecture all at the Dome festival. There will be Ramen and other traditional Japanese food and also Japanese junk food too.

For your reference
https://www.gotokyo.org/en/story/guide/january/