DIMOND O availability & reservation alerts
GROVELAND, California, US · recreation.gov
About DIMOND O alerts
DIMOND O (GROVELAND, California, US) books out fast on recreation.gov — popular times go quickly, and campsites can be hard to catch. But cancellations open up new availability all the time. RainierForge checks DIMOND O continuously and alerts you by email or text the moment a campsite matching your needs becomes available, so you can grab it before someone else does.
Frequently asked questions
How do I get notified when DIMOND O has openings?
Set up an alert with your dates. RainierForge watches DIMOND O on recreation.gov around the clock and emails or texts you the instant a campsite opens — including cancellations — so you can grab it before it's gone.
Is DIMOND O available right now?
Yes — as of the latest check there are 119 openings, with the soonest on Sep 18, 2026. Availability changes fast; set an alert so you don't miss the next one.
Is RainierForge affiliated with recreation.gov?
No. RainierForge is an independent monitoring service. Availability data is sourced from recreation.gov; we are not affiliated with it or any government agency, and booking still happens there.