Gray Butte
Gray Butte is a volcanic butte in the southeast corner of Jefferson County, Oregon, United States. It is composed of welded tuff and is a part of the Crooked River caldera. A recreation trail for hiking, horseback riding, and mountain biking leads up the side of the butte. The butte is located near the popular tourist site of Smith Rock.
References
- ^ "Gray Butte Quadrangle" (PDF). Prd-Tnm.s3.amazonaws.com. Retrieved 2018-01-02.
- ^ "Field trip guide to the Neogene stratigraphy of the Lower Crooked Basin and the ancestral Crooked River, Crook County, Oregon" (PDF). OregonGeology.org. Retrieved 2017-12-28.
- ^ "Gray Butte Trail (#852)". FS.USDA.GOV. Retrieved 2017-12-28.
- ^ "Preliminary Geologic Map of the Eagle Rock 7.5' Quadrangle, Crook County, Oregon" (PDF). OregonGeology.org. Retrieved 2018-01-02.
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