Hat Rock State Park

Hat Rock State Park is a state park in the U.S. state of Oregon, administered by the Oregon Parks and Recreation Department. The park is located off the east side of U.S. Highway 730 in Hermiston,[2] on the south shore of Lake Wallula behind McNary Dam on the Columbia River.[3]

Hat Rock State Park
Hat Rock
TypePublic, state
LocationUmatilla County, Oregon
Nearest cityHermiston
Coordinates45°54′53″N 119°09′54″W[1]
Operated byOregon Parks and Recreation Department

Flood basalt

Anchor, a landmark in the Park

Hat Rock is a geological formation that, along with another outcropping rock in the park called Boat Rock, are thought to be exposed remnants of a 12-million-year-old basalt flow. Floods from the Ice Age eventually left these bedrocks, as well as others along the Columbia River Gorge exposed at the surface of the Earth.[4] It is 70 feet (21 meters) high.

See also

References

  1. "Hat Rock State Park". Geographic Names Information System. United States Geological Survey. Retrieved 2011-06-21.
  2. Fanselow, Julie (2003). Traveling the Lewis and Clark Trail. Falcon. p. 252. ISBN 0-7627-2589-3.
  3. "McNary Dam and Lake Wallula". U.S. Army Corps of Engineers. Retrieved July 18, 2014.
  4. Bannan., Jan Gumprecht (2002). Oregon State Parks. Mountaineers Books. p. 212. ISBN 0-89886-794-0.


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