Diamond Craters ONA, Easy 4x4 trail in Diamond, OR
    Easy
    Hidden Gem

    Diamond Craters ONA

    Diamond, OR•Northwest

    Diamond Craters ONA is an easy 40+ miles off-road trail near Diamond, OR, best run April - November. The gear list marks Extra water as required, and All-terrain tires and 4WD capability as recommended. A stock high-clearance 4x4 can run it; check the gear list before you go.

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    Diamond Craters is a geological wonderland in Oregon's remote Harney Basin, containing one of the most diverse collections of basaltic volcanic features in the United States. Lava flows, spatter cones, maars (volcanic craters formed by groundwater interaction), and pressure ridges are all accessible by BLM roads that loop through the area. The surrounding high desert adds to the otherworldly atmosphere, with sagebrush stretching to the horizon in every direction. It's a place that rewards curiosity and geological interest.

    Fun Facts

    #1

    Diamond Craters contains virtually every type of basaltic volcanic feature in a compact area.

    #2

    The volcanic activity that formed the craters occurred just 7,000-25,000 years ago.

    #3

    The BLM designated it an Outstanding Natural Area to protect its geological significance.

    Length
    40+ miles
    Elevation
    4,200 - 4,800 ft
    Best Season
    April - November
    Permit
    Not Required
    Volcanic landscapeLava flowsRemote desertGeological wonderFree camping

    🛞 Tires

    recommended
    All-terrain tires

    🔧 Suspension

    optional
    Stock to 2" lift

    ⚙️ Drivetrain

    recommended
    4WD capability

    🪢 Recovery

    recommended
    Tow strap

    📦 Other

    required
    Extra water
    No water sources
    1
    Diamond Junction
    43.0987, -118.6543
    2
    Central Crater Complex
    43.1456, -118.7234

    Closest campgrounds to Diamond Craters ONA:

    Straight-line distance. Check the map for drive time.

    Where to Camp

    4 campgrounds within 30 miles of this trail

    Princeton, Oregon|15 mi|26 min
    41 sites
    Season: All Year
    Burns, Oregon|23 mi|39 min
    Season: Seasonal
    Oregon|23 mi|39 min
    36 sites
    Season: All Year
    Oregon|29 mi|49 min
    6 sites
    Season: Mid-June through October

    GPS Coordinates

    43.1234, -118.7543

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    Map of Diamond, OR

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