I spent a week last May about 150 miles SW of Tyumen in the city of Chelyabinsk. Are you flying in through there or Yekaterinburg?
Growing up in the height of the Cold War, the highlight of my trip was having dinner with an older ex-military guy that had worked on the warheads pointed at my hometown. Incredible.
I asked about outdoor activities (hunting/fishing), but wasn’t able to find anyone that had an interest. At my questioning, my interpreter said, “I saw a squirrel once”. I laughed, but he was serious. I hope you have better luck than I did.
It was a great trip that I would repeat in a heartbeat.