I was going to say there are no parking signs all over the place at the corrals.  I've parked, as well as other member of our group at the tamarack ridge sno-park with no issues.  We ran into swamp from there.  In summer it is hardly ever used unless they need a staging place for a fire.  There is also a bathroom there which can be handy if spending the night. Otherwise just drive in towards coyote till you find a place to pull off and park.  There is a spot a little ways in from the corrals off to the right.

Kevin