According to the WA parks website, sites are limited to no more than 50' over all. That seems unlikely for that location. What have you found there? Ia am not talking about fudging much, one or two feet...(really). Thanks!
As with most of the parks, site selection is important. We've been there once, and going again this summer. But I look at the sites really carefully (including on Google earth!).
2012 Chevrolet 3500 Duramax CC SRW 4x4, 2013 Sprinter 311BHS, DW, 3 boys, & 2 dogs... Campingourway Blog
We have stayed there with our fifth wheel several times. With the truck we are right at 50 ft. Have had plenty of room to spare. Shouldn't have a problem