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Moderate to BookNational Forest

Dimond O Campground

Stanislaus National Forest, California

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As of October 2026, Dimond O Campground is a campground in Stanislaus National Forest, California with 20 campsites. Dimond O Campground is booked through Recreation.gov.

PermitSnag checks Dimond O Campground for availability and tells alert holders when a site opens up.
Dimond O Campground is located at 37.8250° N, 119.8611° W.

people allowed on 18 of 20 sites: 6
people allowed on each of the 2 largest sites: 12

Dimond O Campground reservations and next available dates

October 2026

November 2026

open, tap to book on Recreation.govsold outin your alert

Next Available Dates

Oct 4 (6 sites)Oct 5 (10 sites)Oct 6 (5 sites)

6 sites open on Oct 4 at Dimond O Campground. Book one now, or pick your dates above and get an alert when a site opens.

As of 30 September 2026, 18:09 UTC.

Campsites at Dimond O Campground

56893031321314161718192326272829

Standard 17
Tent 3

What an RV fits

22 ft2 sites
36 ft2 sites
38 ft2 sites
40 ft8 sites
44 ft1 site
48 ft2 sites

Amenities

restrooms
potable water

At a glance: Setting: River · Access: Paved road.

Things to do: fishing, swimming, hiking, photography.

All sites at Dimond O Campground, as listed by Recreation.gov

Site	Loop	Type	Sleeps	Max RV
005	Lower	Tent	6	-
006	Lower	Standard	6	22 ft
008	Lower	Tent	6	-
009	Lower	Standard	6	22 ft
030	Lower	Standard	6	40 ft
031	Lower	Standard	6	38 ft
032	Lower	Standard	6	38 ft
013	River	Standard	6	40 ft
014	River	Standard	6	40 ft
016	River	Standard	6	40 ft
017	River	Standard	6	44 ft
018	River	Standard	6	40 ft
019	River	Standard	6	36 ft
20/21	River	Standard	12	36 ft
023	River	Standard	6	40 ft
24/25	River	Standard	12	48 ft
026	River	Standard	6	48 ft
027	River	Tent	6	-
028	River	Standard	6	40 ft
029	River	Standard	6	40 ft

About Dimond O Campground

Overview

Dimond O is ideally located closest to Yosemite National Park's Big Oak Flat entrance and Hetch Hetchy. It's nestled near the banks of the scenic Middle Fork Toulumne River, where warm summer days can be spent wading and fly fishing in the refreshing waters.

Recreation

Nearby trails include the Carlon Falls Trail near the Carlon Day Use Area, and Yosemite National Park trails accessible from Hetch Hetchy.

The Middle Fork Toulumne River is a popular spot for swimming, wading and rainbow trout fishing.

Facilities

The campground offers single and double-family sites, many of which are accessible. Picnic tables and campfire rings are provided, as are accessible vault toilets and drinking water. Roads and parking spurs are paved. Firewood is available for a fee.

Natural Features

Some sites overlook the river and others are tucked among cedar and ponderosa pine trees. The Tuolumne River runs for about 150 miles from the central Sierra Nevada to the San Joaquin River.

Nearby Attractions

Take a scenic drive through Yosemite to explore its legendary landscapes.

Rules and notices at Dimond O Campground

Recreation.gov does not date these notices. We last read them on September 29, 2026. Check Dimond O Campground on Recreation.gov

Notices from Recreation.gov

Be bear aware; keep all food out of sight in approved containers or locked inside your vehicle and remove all food from area after eating

No hookups available

This campground has first-come, first-served single family campsites. These sites and walk-ins are cash or check only (no credit cards accepted).

An additional fee will be charged for extra vehicles

Click here for more information on Stanislaus National Forest

Don't Move Firewood: Protect California's forests from tree-killing pests by buying your firewood locally and burning it on-site. For more information visit firewood.ca.gov.

Customer Service Contact 801-226-3564 or Help.Stanislaus.Groveland@AmericanLL.com

Recreation.gov permit and campground cancellations →

Dimond O Campground FAQ

How hard is it to get a campsite at Dimond O Campground?

Dimond O Campground is rated "Moderate to Book" based on historical demand. With 20 sites available, you have good chances of finding availability, especially on weekdays.

How do I find last-minute availability at Dimond O Campground?

Cancellations happen frequently at Dimond O Campground, especially 1-2 weeks before check-in dates. PermitSnag monitors availability 24/7 and sends instant alerts when sites open up due to cancellations. This is often the best way to snag popular campsites.

How many campsites does Dimond O Campground have?

Dimond O Campground has 20 campsites.