Dimond O
Sold out? Sites at Dimond O open up when campers cancel.
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At a Glance
About Dimond O
Dimond O is a national park campground at Stanislaus National Forest in Tuolumne County, California. Reservations are managed through Recreation.gov. When a booked site here is cancelled it can vanish within minutes, so Campsite Tonight monitors it 24/7 and auto-adds the opening to your Recreation.gov cart before anyone else.
Dimond O is in very high demand — sites here routinely sell out well in advance. Cancellations are often the best way in, which is exactly what Campsite Tonight watches for.
The campground accommodates RVs and trailers up to 48 ft. Campers rate it 4.6/5 across 206 reviews.
Other campgrounds at Stanislaus National Forest include Sweetwater (Stanislaus National Forest), Lumsden Bridge Campground and Lost Claim.
Total reservations in April — 2023: 56 · 2024: 71 · 2025: 68
Location
Address
Groveland, California
Coordinates
37.8250, -119.8611
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.
- •July sees 502 reservations - book early or set cancellation alerts.
Nearby Campgrounds
Hodgdon Meadow Campground
Yosemite National Park
Crane Flat Campground
Yosemite National Park
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Sweetwater (Stanislaus National Forest)
Stanislaus National Forest
Tamarack Flat Campground
Yosemite National Park
Lumsden Bridge Campground
Stanislaus National Forest
Lost Claim
Stanislaus National Forest
Photos
Dimond O FAQ
How far in advance should I book Dimond O?
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open. Mark your calendar for when the booking window opens (typically 5-6 months ahead). Also set alerts - cancellations do happen.
What is the busiest time at Dimond O?
July typically sees the highest reservation activity at Dimond O. During peak times, 100% of reservations are made 2+ weeks in advance.
Are there campsites available at Dimond O right now?
Dimond O is currently fully booked for the next 14 days. However, cancellations happen frequently - download the Campsite Tonight app to get instant alerts when sites become available.
How often is availability checked at Dimond O?
Campsite Tonight monitors Dimond O for cancellations and new availability as fast as every 29 sec. When a site opens up, users with alerts enabled receive instant notifications so they can book before others.
Can I get a reservation at Dimond O?
Yes! 1 camper has recently added Dimond O to cart, with stays up to 2 nights. Even when fully booked, cancellations happen regularly. Set up an alert to get notified instantly when a site opens up.
Where is Dimond O located?
Dimond O is located in Stanislaus National Forest, near Groveland, California.
Track Availability at Dimond O
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