You just have to show up and pick, this year the water is pretty high so get in quick! You won't regret it, best place on earth.
https://ilovelakemac.com/plan-your-visit/camping-lodging/ Check out the link above & you can also call the Visitor Center @ Lake McConnaughy 308-284-8800 & they can answer all questions f your questions
Just show up early.
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