I do not think the area at the bottom of the hill near the river is private. We have seem lots of quads on the trails while kayaking down the river from pipestone but can not find the entrance to the trails. Ride the dunes at least once a week, had a few trips to big mountain last year, but can...
My wife has a Polaris Hawkeye 300 4X4 and she would like to upgrade the tires to something a little more aggressive. Can someone suggest what she should use?