Snowshoe experience!
https://scontent.xx.fbcdn.net/v/t1.0-9/16298757_1676884599277257_5246456018076236192_n.jpg?oh=125575ed737094aa0c7468fbb4c95df9&oe=59131817
https://yamap.co.jp/activity/615846
During snow season, there is a guide(most likely only speak Japanese) available for snowshoeing in Mt.Oe.Renting snowshoe&stock cost 1000JPY/person
Private tour cost from 3000JPY-(per person)
*for the tour costs, available course, dates and so on... please ask directly to the organiser.
Min.2 people
If you have no own vehicle access, better to ask a meeting point where you can reach by public transportation.
The tour is organised by Onikko-no-kai(鬼っこの会)
Their official blog.(in Japanese)
http://blogs.yahoo.co.jp/ky_ontk
If you are interested, please ask your accommodation or Japanese person to assist you to make a reservation due to the organiser can't speak English, I think.
For booking, call 090-3466-4376(from Japanese domestic phone), +81-90-3466-4376(from foreign phone).