
| Lassen Peak and The Eruptions of 1914-1922 |
| Lassen Peak is the largest plug-dome volcano in the world. As the southernmost peak in the Cascade Range, Lassen lies atop a side vent of where Mount Tehama once existed. Eruptions began in 1914 and culminated in 1921 with the collapse of the northern part of the volcano, Eruptions began in 1914 and culminated in 1921 with the collapse of the northern part of the volcano, pyroclastic flows, and small lava flows. Eruptions subsided in 1922. Today's park, established 1916, includes the former Lassen Peak and Cinder Cone national monuments.includes the former Lassen Peak and Cinder Cone national monuments. |
| Photos of the Lassen Peak area, Summer 2006 |
| Bottom Row, Left to Right: Fumarole on south side of Lassen Peak Highway (CA 89) in Sulfur Works geothermal area. Fumarole and damaged trail at Sulfur Works. Lassen Peak and reflection at Hat Lake. Lassen Peak viewed from the Devastated Area interpretive trail. This area of the park was wiped clean from collapse of the north flank of the volcano, pyroclastic flows, and lahars during the 1922 eruption, and was extensively photographed by B F Loomis, a prominent Sacramento businessman. |
| Photos of the Cinder Cone area, Summer 2006 |
| Top Row, Left to Right: Mount Shasta, viewed from the Hat Creek Rim off CA Hwy 44. Mount Shasta is visible from most high-points throughout northern California. Lassen Peak and Chaos Crags, viewed from Hat Creek Rim. Fantastic Lava Beds near Butte Lake area. Cinder Cone from the Cinder Cone Trail. Cinder Cone base, ash fields, and painted dunes. Middle Row, Left to Right: Cinder Cone and trail, graded at 30%. Lassen Peak and slopes of Cinder Cone. Cinder Cone crater and Lassen Peak. View into Cinder Cone crater. View southwest to Lassen Peak and painted dunes in foreground. Part of Peter Lassen's emigrant trail passes through the area. Bottom Row, Left to Right: Painted Dunes and Fantastic Lava Beds. Painted Dunes viewed east from Cinder Cone. Looking northeast towards Painted Dunes and Fantastic Lava Beds. Cinder Cone last erupted around 1600-1630. |
| Panoramas from Summer 2006 |
| Left: Lassen Peak and Kings Creek viewed from Upper Meadow. Right: Panorama of Snag Lake, Painted Dunes, Fantastic Lava Beds, ash fields, and Lassen Peak from the top of Cinder Cone. |
| Directions and Best Times to Visit |
All photos taken by the author unless otherwise noted. Questions or comments? Email the author at apezeshkpour@gmail.com. |
| Photos from Summer 2007 |