17 Mile Cave Lava Tube

Category: Historical landmark

Address: Idaho Falls, ID 83402, USA

Opening hours

Sunday: Open 24 hours

Monday: Open 24 hours

Tuesday: Open 24 hours

Wednesday: Open 24 hours

Thursday: Open 24 hours

Friday: Open 24 hours

Saturday: Open 24 hours

Reviews

jessie thomas

Jul 29, 2022

It's really cool sadly there was to much smoke to really see

Jay Kerner

May 11, 2022

The lava formations on the floor of this cave are amazing.. It would be a little better if the natural look had been preserved. Bring a really bright flashlight, and make sure the batteries are full. It's only one way but having visited it would be dangerous without a flashlight. Lots of trip and slip hazards but a relatively easy hike. Again please a good flashlight (No phone lights)

Destinee S.

May 7, 2021

I enjoy coming here once, twice or even three or four times a year in the summer! They Cave entrance is small, I usually sit and climb in, then a little rocky at the first part and then it opens up to nice clear ground. I would definitely bring the kids, I think it's a great time for everyone. The graffiti is a little much sadly some things are a little much but simply don't look and dwell on it! There is a little bending and stooping I'd say but nothing too harsh. My two tips, 1. Take a light jacket or coat, it gets kinda chilly. 2. Be sure to bring a extremely bright flashlight and your set!

Adam Boone

May 2, 2019

This is a fun, short cave experience. Very easy to access from the road, and mild enough for young kids. Depending on the time of year, there is some water inside the cave. The only downside is the graffiti.

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Questions & Answers

Could you actually go through all 17 miles?

Joseph Tyre | Feb 9, 2022
Nicholas Sonnier | Feb 10, 2022

It's called 17 mile cave because it's 17 miles from town.

Are dogs allowed?

Alyssa Smith | Jun 9, 2021
Kyle Murdock | Jun 10, 2021

There are no restrictions of who or what can enter. There is a lot of broken glass so I wouldn't recommend bringing my dog.

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