Go to the Texas Parks and Wildlife website for the prices.
Entrance fee is $ 8 per person per day for 13 and older. Electric and water campsite is $25 per nite. Shelters are $35 a night with a $25 deposit. If an annual pass is purchased at $75 you don't have to pay a daily entry but do have to pay to camp. You get several half off second night with annual pass. Reservations could be made 333 days in advance especially between spring break march and August
Some spots are $22 a night, some are $26 a night.
$8 per day for visitors 13 and older. Annual passes are available if you go often to any State Park. Campsite or Cabin is additional fee
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