We have stayed at the Thousand Trails campground there many times, as we are the beneficiaries of my parents' membership there. Here is one camping site we have used a number of times:
Here are a number of photos taken in the last few years:
Here is a link to a post Suzanne wrote about Cape Kiwanda: http://topomountain.blogspot.com/2010/06/cape-kiwanda.html
It's so nice that this place has not just the beautiful views, but wonderful memories associated with it.