Nestled deep within the picturesque landscapes of Oklahoma lies a hidden gem that promises a stellar summer adventure. Lake Elmer Thomas Recreation Area (LETRA) is Fort Sill’s premier recreation destination, offering a breathtaking 360-acre no-wake lake and an array of exciting activities that will leave you yearning for more. With close proximity to the renowned Wichita Mountains Wildlife Refuge, Medicine Park, and Fort Sill, LETRA is the perfect escape. It is also home to a campground and a water slide that will make your heart race with excitement.

LETRA is a true summer paradise, offering endless possibilities for fun and relaxation. Whether you seek thrilling water adventures, serene moments by the lake, or the exploration of breathtaking landscapes, this hidden lake in Oklahoma has it all.
google reviews/Charles Harkey
Whether you're a seasoned camper or prefer the comfort of modern cabins, LETRA caters to all preferences.
travelok.com
RV sites, tent camping, primitive camping, and cozy cabins are available year-round, allowing you to immerse yourself in the beauty of nature at your own pace.
google reviews/Angelica Vazquez

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Picture yourself plunging down a thrilling water slide, the cool water splashing against your skin as you experience pure exhilaration. Yes, LETRA boasts a double-flume waterslide that is sure to ignite the childlike joy within you.
google reviews/Victor Alers
If you prefer to take it easy, head to the pristine beaches and swimming areas at LETRA. Bask in the warm sun, feel the sand between your toes, and take a refreshing dip in the crystal-clear waters of the lake. The beach, open from Memorial Day weekend to Labor Day, offers the perfect setting for relaxation and creating lasting memories with family and friends.
google reviews/Patricia “Paxallen” Allen
Convenience is key at LETRA. The on-site LETRA Country Store ensures you have everything you need for a comfortable stay.
travelok.com
Pack your bags, gather your loved ones, and embark on a stellar summer adventure at Lake Elmer Thomas Recreation Area.
google reviews/Juan Vallejo

For more information on LETRA, visit the official Ft. Sill Army website. LETRA’s facilities and amenities are open to the public.

I highly recommend you take some time and visit the nearby town of Medicine Park...it’s one of my favorite places in Oklahoma. And if you need a place to stay in the area, Vrbo has lots of incredible options.

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Letra Campground and Picnic Area, Medicine Park, OK 73557, USA