You can rent them in bear valley
Yes http://www.bvsnowmobile.com
The rental snowmobiles are there, but I'm not sure if it's the place to pay for them
No. It's just a small parking lot, which allows you to park at winter. You have to haul your own snowmobile there.
When I was there last week, there were a bunch of snowmobiles parked there, but not a person in sight. I can only assume that that they are either all private or probably owned by Bear Valley. I would contact Bear Valley and ask if they know.
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