"campermom" is dead-on with her advice! Park has a great store and the north side is a great place to hang out and watch the fun on the lake.
Bit of advice; try not to get to the park before noon tomorow and after 2 PM would probably be better. By that time, all the "weekend warriors" are gone and you have your best choice of sites. Also the park will be quieter and the park's wildlife will be returning

. Watch for deer in this park as there are many!
Happy Camping!
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Turn Key, DW & Tilly, The Camping Boston Terrier
'03 Chevy 2500HD, 4X4, X-Cab, Long Bed
'04 K-Z "Durango", 275RK ("Sunday Haus II")
Twin Kayaks, "The Ride" by Wilderness Systems
North Central Texas, Where The West Begins!