We camped there 2 years ago in a fifth wheel and chevy duramax...the 25% grade road is true!
I easily went up and down the road which is approximately 1.25 miles up the mountain but never was it an issue of whether we could make it or not...nervous anxiety for the first trip up, definetely!
When we got to the top, there was everything from popups, gasser class c's and a's besides diesel tow vehicles and MH's.
You will have no problem with your rig, take it slow...great campground & would not skip a visit
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