Boulder Creek Wilderness

Located in the Umpqua National Forest in Oregon.

The 19,100-acre Boulder Creek Wilderness ranges in elevation from 1,600 to 5,600 feet. Included in the Wilderness is the Umpqua Rocks Special Interest Geologic Area. This area is composed of 1,420 acres. Large volcanic basalt and andesite monolithic spires are prominent landscape features. Eagle Rock, Rattlesnake Rock and Old Man are excellent examples. Geologically speaking, this area dates back to the early Tertiary Period about 30 million years ago. Volcanic intrusions, stocks, plugs and dikes were more common during this period of time. Later periods involved pyroclastic tuffs and breccias associated more with volcanic flows of andesite and dacite material.

Along with the geological highlights, this area also includes old-growth forest, old-growth ponderosa pine on pine bench, oak groves, pristine streams, open meadow, wildflowers, hardwood stands and a variety of wildlife species.

There are over 30 miles of trail in the Wilderness including the 10.6-mile Boulder Creek Trail and the 3.5-mile Jessie Wright segment of the North Umpqua Trail, which provide access to the Geologic area.

For more information contact: The Umpqua National Forest.




Published: 29 Apr 2002 | Last Updated: 9 Aug 2011
Details mentioned in this article were accurate at the time of publication

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