Answer: lassen

AnswerCrossword Clue
LASSENCalifornia volcano.
LASSEN... Peak (active volcano in the Cascades)
LASSENVolcanic park in California
LASSEN... Volcanic National Park
LASSENCascade volcanic peak
LASSENCascades peak
LASSENCalif. peak
LASSENCascade peak
LASSENCalifornia peak
LASSENCalifornia volcanic peak
LASSENVolcano in California.
LASSENPeak in California.
LASSENVolcano of the Sierra Nevadas.
LASSENOnly U. S. active volcano.
LASSENOnly active volcano in U. S.
LASSEN... Peak, only active volcano in U. S.
LASSENCalifornia volcano