Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Dome Rock is an andesite formation of the Old Cascades in the Willamette National Forest. The mountain is best known for its hiking trail that goes to the summit. Dome Rock lies in Linn County, Oregon. About 3 miles southeast of Dome Rock is the small town of Detroit.
References
^ "Dome Rock". www.peakbagger.com. Retrieved 3 June 2023.