

Can be seen in the Sacramento Valley as far as 140 mi (230 km) away, as it is a dominating feature of the region.

Mount Shasta (northern California) - second highest peak in the Cascades.Medicine Lake Volcano - a shield volcano in northern California which is the largest volcano by volume in the Cascades.Mount McLoughlin (near Klamath Falls, Oregon) - presents a symmetrical appearance when viewed from Klamath Lake.At 8,929 ft (2,722 m) elevation, this small stratovolcano is the highest peak in Crater Lake National Park. Mount Scott (southern Oregon) - on the southeastern flank of Crater Lake.Mount Mazama is estimated to have been about 11,000 ft (3,400 m) elevation prior to the blast. Mount Mazama (southern Oregon) - better known for its Crater Lake, which is a caldera formed by a catastrophic eruption which took out most of the summit roughly 6,900 years ago.Mount Thielsen (east of Mount Bailey) - highly eroded volcano with a prominent spire, making it the Lightning Rod of the Cascades.Diamond Peak (south of Willamette Pass) - a 8,744 ft (2,665 m) volcano composed of 15 km 3 (3.6 cu mi) of basaltic andesite.Mount Bachelor (near Three Sisters) - a geologically young (less than 15,000 years) shield-to-stratovolcano which is now the site of a popular ski resort.Flows from here have reached the city of Bend. Newberry Volcano - isolated caldera with two crater lakes.Broken Top (to the southeast of South Sister) - a highly eroded extinct stratovolcano.

North Sister is the oldest and has a crumbling rock pinnacle. Middle Sister is more pyramidal and eroded.
