Exploring Caves Ape Cave Mount St. Helens
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- Опубліковано 19 сер 2024
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About Ape Cave
Explore a chilly, pitch-black lava tube over two miles long. A short, paved, accessible trail beneath towering trees leads to a stairwell into the cave. The ¾ mile, one-way lower cave route is relatively easy and family-friendly. For the more adventurous, the 1.5-mile upper cave route leads to a climb up an eight-foot rock wall and scramble over rock piles, then an exit and a 1.5-mile above-ground hike back to the parking lot.
Ape Cave is the third longest lava tube (2.5 miles long) in North America and the cave temperature is 42 degrees F/5.6 degrees C year-round. Make sure to bring two sources of light per person (a cell phone light is not bright enough), sturdy shoes, and warm clothing, even in warm weather. In summer, Ape Headquarters, a small information station, offers lantern rentals, information, and sales items to ticket holders.
Help protect Ape Cave. Please do not touch cave walls or ceilings. Touching kills cave slime, a basis for the food chain of tiny creatures that live there. Help protect our bats and caves from White Nose Syndrome. Practice Leave No Trace principles by packing out all that you bring with you.
Ape Cave was discovered in 1947 by a logger named Lawrence Johnson. However, the cave was not explored until the early 1950s when a scout troop, led by Harry Reese, lowered a team of scouts down a 17-foot overhang to the cave floor. Leaving footprints where no one ever had, these explorers were able to travel through a pristine lava tube full of fragile formations. Ape Cave was named by the Scout Troop in honor of their sponsor, the St. Helens Apes. This local group was made up primarily of foresters. The sponsor’s name, St. Helens Apes, may have come from an old term used for foresters in the area, "brush apes," or from the legend of Bigfoot.
An Uncommon Eruption:
The formation of Ape Cave marks an unusual period in Mount St. Helens' eruptive history in that it is the only known basaltic eruption of the volcano. Eruptions of fluid basaltic lava, much like those in Hawaii, are rare occurrences in the Cascade Mountain Range. The Cascades usually erupt lava of thicker consistency. When this type of magma is coupled with suspended gases, explosive eruptions tend to occur. The eruption of Mount St. Helens on May 18, 1980, exemplifies this tendency.
About 2,000 years ago, fluid basaltic lava poured down the southern flank of the volcano. As the lava flowed, chunks of the lava’s surface cooled, crashed, and fused together creating a hardened crust. In turn, the crust insulated the molten lava beneath, allowing it to remain fluid and travel down to the Lewis River Valley. The hot flowing lava began melting into the pre-existing rock and soil. This thermal erosion deepened and widened the channel of the flow. The level of lava in the tube rose and fell as the eruption surged and slowed, contributing to the unique contours of the walls. During this eruptive period, hot fluid lava pulsed through the tube for months, possibly up to a year, until the eruption subsided. As a result of this rare eruption, a spectacular 13,042-foot (3976m) long lava tube, the third longest in North America, was created.
Directions:
From Woodland, WA take State Route 503 to Cougar WA then take Lewis River Road east for 2.8 miles. The road then changes to Forest Road 90. Continue on Forest Road 90 to Forest Road 83, approximately 4 miles, and turn left. Drive Forest Road 83 for 3 miles then turn left onto Forest Road 8303. Drive approximately 1.5 miles, past Trail of Two Forest, Apes' Headquarters is located at Ape Cave on Forest Road 8303 on the left.
Accessibility:
The parking lot and visitor area facilities are flat and paved. A paved trail leads to the lower cave entrance but gets rougher to reach the upper entrance.
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Great video thanks for creating it
It’s our pleasure. We love making videos like this. Glad you got some good info out of it. Thanks for watching.
Fascinating video. Thank you
Our pleasure! So glad you liked it! Have fun out there.
Great adventure love it .when you go down main stairs and go right there is a very small tunnel that goes to a small cave you crawl to on your belly and just enough room to turn around (Small people only and did you see the Indiana Jones rock above your head awsum looking up .p.s at 6.42 did you see the face in the rock as you left the cave to greet you🤔been here 2 times great explore i had collman lantern and see alot more with it😟🤔👍
Ape Cave was one of her favorite caves to explore. Lots of fun there. Hiking back after doing the entire cave was a lot of fun too. Beautiful place all around.
Nicely done
Thank you Steven. Much appreciated. Glad you liked it.
Crawling the Ape Caves - Lava Tubes at Mount St Helens | Marcus Ward's Visions ua-cam.com/video/QxSFimvi5UI/v-deo.html
I will have to check out your video. It was a blast wasn’t it?