Lassen Peak climb: at the summit of Lassen Peak

Lassen Peak climb: at the summit of Lassen Peak: view toward Lake Helen

Lassen Volcanic National Park: Bumpass Hell

Lassen Volcanic National Park: Bumpass Hell

Lassen Volcanic National Park: Bumpass Hell

Lassen Volcanic National Park: Sulphur Works

Lassen Volcanic National Park: Sulphur Works

Lassen Volcanic National Park: Sulphur Works