Dimond O is a 26-site campground in Yosemite National Park. It accommodates RVs, tents, and trailers, with sites for RVs up to 48 ft. It is a no-hookup campground. Waterfront and Riverfront sites are available. Around 24 sites are shaded. Pets are welcome at some sites and most sites have a fire pit. Maximum party size is 12. Like most popular Recreation.gov campgrounds, Dimond O books up months ahead, but cancellations open regularly. Campsite Sniper watches the targets you choose and alerts you when one frees up. We never book, hold, or pay for reservations; you book directly on Recreation.gov.
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Tap any pin on the map to see that campsite's open dates, details, and a booking link.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for Dimond O. One watch covers every matching site.
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.
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Dimond O's 26 sites book up months ahead on Recreation.gov; most openings come from cancellations. Pick a site on the map to see its 6-month calendar, or set a free Campsite Sniper alert to get notified when one opens. You still complete the reservation yourself on Recreation.gov.
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
In just the last 7 days, 51 cancellations opened across 26 different dates at Dimond O. "Sold out" rarely means sold out.