Explore the Cannonball Concretions
Theodore Roosevelt National Park
The cannonball concretions are an arresting and unusual geological formation. Stop at this pullout to explore their mysteries!
Driving the North Unit Scenic Drive, the cannonball concretions can be an arresting sight. These large, round rocks don't seem to fit with the rest of the landscape. Stop at this pullout and explore their mysteries! Hikers can also access the 11.4 mile Buckhorn trail at this pullout. Proper hiking gear, water, and sun protection are recommended. It is illegal to remove any resource from a national park. Leave any flower, stone, or other object where you find it so that other visitors can enjoy it as well. It is illegal to carve, paint, or otherwise alter anything in a national park.
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5-15 Minutes
The cannonball concretions are contained to a relatively small area, though there is access to the Buckhorn trail at this pullout.
Entrance fees may apply, see Fees & Passes information.
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Winter, Spring, Summer, Fall
Day, Night, Dawn, Dusk
A sidewalk provides accessible viewing of the cannonball concretions and of an interpretive exhibit. The cannonball concretions are located in an unpaved area which may include uneven ground and potential slip hazards. Proper footwear is recommended. Service animals are allowed, but must be on a leash no longer than 6 feet.
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Cannonball Concretion Pullout
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