Several of us in our area started our own club, fixed up a facebook page, one of our guys in a computer geek, so he started a website. We welcome any to join us in the area. We have two camping trips each year - one in the spring, another in the fall. We are a loosely knit group and just post if we are camping so others can join us, if they want.
It has meant some really great friendships, lots of fun, lots of kids, great food and some good times.
We've been operating for about 10 years now.
I agree, google around your home area and if you can't find one, start your own.