YMCA Camp Marrowbone, run in partnership with the Sioux YMCA (YMCA Seven Fires) on the Cheyenne River Sioux Tribe Reservation, is a coed overnight camp for ages 7-17. Campers spend time outdoors with arts and crafts, hiking, sports, and water activities while learning Lakota culture, traditions, and values built around caring, honesty, respect, and responsibility. Sessions run one or two weeks.
The practical details
We list only what the camp itself publishes, and programs change — dates, prices, ages and availability can all move after we check. Confirm the details on the camp’s own website and contact YMCA Camp Marrowbone directly before you register or pay. Last checked August 2026.
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★★★★★DJ Mato LutaIt's very beautiful area, always had a blast when I went to this camp
★★★★★Emily RoseMy daughter love this camp so much
★★★★★Constance ClarkThis free camp run by the Y of the Seven Council Fires for native American youth is in a beautiful primitive, lakefront location. Please donate to support youth from various small communities around the vast reservation. So they can have this experience.
★★★★★Luke CarlsonIts the best place to be i always called it my home away from home!!
★★★★★Carlton DsilvaOne of the most off beat campsites i have visited. If you want to visit a campsite that has no network, tonnes of things to do, amazing weather, and just a great break, this is what you’d think of.