Ape Cave, Washinton is a lava tube located in Gifford Pinchot National Forest just to the south of Mount St. Helens in Washington state. Its passageway is the longest continuous lava tube in the continental United States, at feet m).
Trail 239 down APE CAVE. lava tube is lower longest. Between Swift Creek Reservoir & S tip of Mt St Helens Park. St Rd 503 & Nat Forest Rd Closest town is Cougar, WA. Upper Cave is more challenging, but it has a skylite, and is not a dead end.
Helens eruption, the deadliest and most economically destructive volcanic event in the history of the United States. Fifty-seven people were killed; 250 homes, 47 bridges, 15 miles km) of railways, and 185 miles km) of highway were destroyed
MAMMATUS clouds are most often associated with the anvil cloud & severe thunderstorms. They often extend from the base of a cumulonimbus but may also be found under altocumulus, altostratus, stratocumulus, & cirrus clouds as well as volcanic ash clouds^
"Amazing photo of Mount Ararat, Turkey". except, Mount Ararat has been dormant for at least years Millenium, B. This is a photo manipulation by Sako Tchilingirian. The ash cloud is from a Chilean volcano.
St Helens- WA----on Trail of Two Forests in the Mt. Helens region of South Cascades. "This particular cave is a lava tube formed 1950 years ago during an eruption when lava flowed from fissures on Mount St.