Carver Glacier is on the north slope of a complex volcano with three peaks each exceeding how many feet in elevation?
Carver Glacier: Carver Glacier is in the U.S. state of Oregon. Carver Glacier:  Carver Glacier is on the north slopes of South Sister, a dormant stratovolcano. Three Sisters (Oregon): The Three Sisters are a complex volcano of three volcanic peaks of the Cascade Volcanic Arc and the Cascade Range in the U.S. state of Oregon. Three Sisters (Oregon):  Each exceeding 10000 ft in elevation, they are the third-, fourth-, and fifth-highest peaks in the state of Oregon, and are located in the Three Sisters Wilderness, about 10 mi south of the nearest town of Sisters.
10000