If you want to see much of it, you'll want to come out around mid may. You won't get much past the parking lot anytime soon. There are massive amounts of snow up there and the whole area has been gated off since November.
2010 JK Rubicon- sold, meh 2dr
2012 JKU Rubicon- sold, bored
2015 JKU Rubicon- 3rd times a charm?