A hike-a-thon to the summit of Lassen Peak has been added to Lassen Volcanic National Park’s annual Day in the Park, which is scheduled for Saturday. Day in the Park has for many years celebrated the ...

CHESTER — The final snowpack survey of the year took a bit more effort for the PG&E team at Lassen Volcanic National Park. In the dense, late April snow, PG&E hydrographers drilled through 211 inches ...

Most people tend to think of the Earth's surface as a static thing. It is solid and persistent ... however, that is far from the truth. Images from earthquakes show how land can be broken and buckled ...

Lassen Volcanic National Park is full of stunning landscapes and unique volcanic features that make it a great spot for ...

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When you gain the rim of the caldera at Lassen Peak, you realize in a flash why you came this far. As you top the rise, hardened lava flows extend in the caldera in front of you, a jumble of crags and ...