Haven't camped there but last weekend we went to RenFest and I did notice one large area designated for "family camping" only. Also a sign about paying to camp. ??? I thought it was for free. Lake Conroe is not too far away and there is also a large KOA kampground in Conroe.
Lake Conroe/Houston North Camping, Lake Conroe/Houston North Campground in Texas - KOA in Lake Conroe/Houston North