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Trip Planner:   USA  /  Utah  /  Duck Creek Village  /  Mammoth Cave

Mammoth Cave, Duck Creek Village

4.2
#155 of 215 in Nature in Utah
Cave · Hidden Gem · Nature / Park
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Mammoth Cave is a lava tube located on the Markagunt Plateau in the Dixie National Forest of Southern Utah, and is one of the largest lava tubes in Utah. The cave has over 2,200 feet (670 m) of passage and is about a quarter mile (400 m) long. It was formed by cooling lava and water less than 2,000 years ago. Due to moisture and its elevation of 8,050 feet (2,450 m) above sea level the cave stays cool year round.

The cave has four chambers, the largest to the west. At the end of the largest tunnel, it narrows to a small opening that can be used as an exit. Although the cave is open year round, portions of it are closed off from October until April to protect hibernating bats. Additionally, Mammoth Creek Road may be completely impassable during the winter months due to snowfall.
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Mammoth Cave reviews

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TripAdvisor traveler rating
TripAdvisor traveler rating 4.0
27 reviews
Google
4.5
TripAdvisor
  • We were limited to where we could go as they do close off a section for the bats to hibernate. That's fine, I just feel I can't get the best review without seeing the main chamber. That being... 
    We were limited to where we could go as they do close off a section for the bats to hibernate. That's fine, I just feel I can't get the best review without seeing the main chamber. That being...  more »
  • This cave was very cool! Be prepared to walk hunched over & crawl in some spaces. Make sure to being headlamps. Phone lights don’t do much. I read in other reviews that this cave is limited to access....  more
    This cave was very cool! Be prepared to walk hunched over & crawl in some spaces. Make sure to being headlamps. Phone lights don’t do much. I read in other reviews that this cave is limited to access....  more »
Google
  • Super interesting, a little spooky. Make sure you have torches/flash lights or head lamps. A cellphone light is not that effective. Really cool and interesting colors and patterns on the ceilings. The further on you go the more you'll be crawling and get dirty. We found 3 different caves to go in.
  • Fantastic place to take kids. The road to get there is a bit twisty turny and is all dirt, but decently maintained. Vans and other cars without high clearance or 4 wheel drive can make it with no issues. There's a small dirt parking lot with a vault restroom available. Also lots of picnic tables available under trees. If you take the path that leads into the picnic table area, just continue walking straight ahead to some lava rocks on the ground. This is the main cave entrance. It's a large hole in the ground. Descend and you'll see an opening to your right (you can go in, we didn't really explore more than 20 ft here), and to your left is another opening with bars. If you want to do the whole cave system and come out the other side you will enter through the space in the bottom of the bars. You can also go through the tunnel that is above. We did this, thinking it was the main cave. If you continue straight until adults have to crawl on their stomachs there will be a point that looks like it ends. Look to your left and there will be a small hole in the wall where one person at a time can squeeze through. This will allow you to continue going forward. I went with a 7 and 8 year old. We made it very far into this section until there was a point I was only capable of crawling on my belly. If you want to access the cave from the other side, there is a trail that starts at the other end of the parking lot and leads to lava rock and a small gathering of pines. There will also be a metal bar opening here to climb through to enter. If you want a short cave excursion that doesn't require flashlights, there is a small stand of Aspens near the second entrance I mentioned. Right there is a small opening in the ground you can descend into and it only goes about 30 feet with light coming in from the other side. Kids can be lifted out by someone on top if you want to exit or you can turn around and exit the way you came. Overall very fun and it was nice and cool in the caves, so this would be a good activity for the heat of the day. Bathrooms available, picnic tables and area available but no garbage service so pack out what you pack in. If you want to explore, BRING FLASHLIGHTS.

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