http://www.themodernantiquarian.com/user_profile.php?id=1384&show=weblog&weblog=16743
Have a look at the day two entries of this weblog.
I had my 65 year old dad with me and we were back in Arthog for tea ....
Can't help you with a campsite, sorry. You'll have views where ever you are over there, the place is stunningly wonderful.