I've been to Onikoube fours times so far in the 2010 season and the conditions varied each time. The first time was decent with a nice amount of snow and only intermittent ice patches. The second time was extremely snowy and had frequent whiteouts. The third and fourth time was very icy, which meant pain during every fall.
The resort itself is on the small side, but it's cheap and a one day pass comes with a 1,000 yen food voucher
It beats every place in Iwate, Miaygi and Yamagata that I've been including Appi.
I've been going to Onikobe all through 2005/2006 and this weekend was reinforced by an awesome weekend. Stayed at one of the pensions as part of the resort and was first up the mountain both days. The park seems under used but there are some jumps to do, a box and rails. Some nice wide runs for
Onikobe is a smallish resort near the hot spring town of Naruko. 7 dual lifts, nothing high tech. Wide beginner slopes (often packed with people) on the weekends, with narrower more technical sections near the summit. Worth going just for the drive if you live in the area, the view of Naruko dam is nice.
It has a few good tree runs which are usually left untracked all day, and one good sized steepish run which is great for early morning freshies. The full day lift pass is only 3,600 yen including a ticket for 1000 yen worth of food at the resort (using a repeater ticket - given away free, each time you go).
There are also a few gaijin instructors there this season. Give it a