https://www.kerncounty.com/gsd/parks/kern-river-camp.aspx Link to website which details fees...love this campground...site 15 or 17 are my favorites.
I think info and registration are all online (or you can do so when you get to the site if there are locations left), when I was there about two weeks ago it cost somewhere between $20 and $30 I think per night.
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