Geology Reference
In-Depth Information
With Black Butte in the background, Suttle Lake, near the summit of the high Cascades, offers fishing,
boating, swimming, camping, and other popular pastimes (photo courtesy Oregon State Highway
Department).
Forests of pines and firs blanket the lower slopes of Mount Hood in the Cascade Range of Oregon. This
view from the southeast side graphically shows the effects of centuries of erosion on the vast lava flows
(photo Oregon State Highway Department).
