GraciesMom,
On the South side there is about 3 miles of 5-6% grade and on the North side almost the same. There are truck lanes so you won't be in the way (or can pass the semis that are going slowly).
We've driven it northbound twice and it is not all that difficult a climb - you just take your time and do not rush things.
The important thing is to be in a lower gear as you start down from the summit. Rule of thumb - going down, use the lowest gear you used going up. To control speed, use a 3 second stab on the brake now and again as needed.
You should do just fine.
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'05 Itasca Suncruiser 38R, '04 Saturn VUE
BlueOx Towing Pkg, WH W24, UltraPower Upgrade
49 States & 7 Provinces visited in MH| WIT W112365