Ladymtnwalker??? This is your expertise, where are you?
As Ppine said, this is a hikers park, but the views are great from the many lakes at the base as well. If you are planning backcountry hiking, be sure to get your request for permits in very early. As in right now. We missed our itinerary this past summer so we called that trip off.
If you are a flatlander, the drive over Logan pass will give you a bigger adrenalin rush than a close encounter with a Grizzley:tinysmile_twink_t2:.
Going to the Sun highway is some road.