Lava tube

Posted by
Harry (Apex, NC, United States) on 21 March 2017 in Landscape & Rural and Portfolio.

A lava tube is formed when the crust hardens but the lava below continues to flow. They are actually pretty common. There was one in the Park that was "groomed" with a walkway and lights that was big enough to drive a bus through. Most are smaller and dangerous... there is always the risk of collapse, and many have poisonous gases that require advanced breathing gear.

SONY SLT-A77V 1/500 second F/4.0 ISO 400 36 mm (35mm equiv.)

Welcome to all. I began blogging Retained-Images in 2004 at It is gone now.

jpla from St Barthélémy d, France

La nature est une merveilleuse créatrice

21 Mar 2017 7:46am

jean pierre a from France

superbe nature!! amitiés

21 Mar 2017 8:57am

grouser from Ludlow, United Kingdom

The ferns don't seem to mind though

21 Mar 2017 9:08am

Hiro from Kyoto, Japan

very interesting

21 Mar 2017 9:55am

beach from Oshawa, Ontario, Canada

But the plants soon begin to grow to break down the lava and form new land.

21 Mar 2017 10:21am

Devi from Chennai, India

beautiful ferns seem to call out.. Lovely image and thank you for the write up :))

21 Mar 2017 10:51am

Don from Spokane, United States

I Find detailed picture of this lava tube. It's interesting that people can enter it. I find highly detailed picture.

21 Mar 2017 3:07pm

Ruthiebear from Titusville, NJ, United States

Incredible detail in this view

21 Mar 2017 4:48pm

Steven from Chicagoland, United States

An inviting portal to another world!! Great find and thanks for the explanation.

21 Mar 2017 6:34pm

Frankiess from Český Těšín, Czech Republic

Life is everywhere ..

22 Mar 2017 9:06am

L'Angevine from Angers, France


22 Mar 2017 11:08am

Lewis from Harns, Netherlands

How fertile the soil is, wonderful shot.

23 Mar 2017 7:52pm

Anita from West Nottingham, Pennsylvania, United States

The plants are a surprising element.

24 Mar 2017 1:40pm