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The Lost Sea Adventure

Closed Now: 9:00 AM - 5:00 PM
Open today: 9:00 AM - 5:00 PM

The Lost Sea Adventure
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Certificate of Excellence
Traveler Overview
  • Excellent45%
  • Very good36%
  • Average15%
  • Poor3%
  • Terrible1%
Travelers talk about
“underground lake”(148 reviews)
“boat ride”(279 reviews)
“rainbow trout”(67 reviews)
The Lost Sea is open daily except Thanksgiving Day and Christmas Day. The Lost Sea is America's Largest Underground Lake. All tours are guided tours and last for approximately one hour and twenty minutes. Reservations are not required. The adult...more
Closed Now
Hours Today: 9:00 AM - 5:00 PM
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Suggested duration: 1-2 hours
140 Lost Sea Rd, Sweetwater, TN 37874-6724
+1 423-337-6616
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Reviews (1,000)
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All reviews underground lake boat ride rainbow trout glass bottom glass blower tour guide nature trail general store total darkness gift shop feed the fish large lake gem mining beautiful cave wild tour cave system year round
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1 - 10 of 995 reviews
Reviewed 2 days ago via mobile

We really enjoyed touring the cave. The tour guides were very good....informative and willing to answer any questions we had. The boat ride was neat and we say one fish. It was neat learning some history of the cave and the area. Also, the front...More

Date of experience: March 2019
Thank bethany929
Reviewed 5 days ago

My husband and I were visiting Gatlinburg over spring break. On our way home, we decided to stop by The Lost Sea because we had seen signs for it. We are glad we decided to stop her. Te cavern was very cool and had a...More

Date of experience: March 2019
1  Thank nicolesmith111
Reviewed 1 week ago via mobile

We drove there (2.5 hours) for the kids to see a cave. Horrible tour guide that rushed and just ignored questions. Spent have the tour talking to us about how we could see more if we came back and purchased a more expensive ticket. Can’t...More

Date of experience: March 2019
1  Thank Jerseybirdgirl
Reviewed 1 week ago via mobile

My parents took me to the caves 30ish years ago in 1980somthin It was one of my favourite childhood memories. I’m so glad I was able to return with my children. Tour guide Shelby was super duper.

Date of experience: March 2019
Thank dreavestrough
Reviewed 2 weeks ago

I've been to several caverns, this one is very similar to them with the exceptions of the underground lake/boat ride and the "cave flower" rock formations. I have never seen either. The boat ride is very unique.

Date of experience: March 2019
Thank bjmurr6
Reviewed 3 weeks ago via mobile

My boyfriend and I enjoyed our guided tour of the caves and underground lake with Thomas. Definitely a nice detour if you’re in the area.

Date of experience: February 2019
Thank lrroni06
Reviewed January 19, 2019 via mobile

This cage was a big surprise. When we seen the signs for it while driving to pigeon forge we thought it was a place that would just take you to and underground lake. But there was so much more to the tour as there was...More

Date of experience: December 2018
1  Thank Scott A
Lisa M, General Manager at The Lost Sea Adventure, responded to this reviewResponded January 23, 2019

I am so glad you enjoyed the tour and took time to stop and visit. The bridges are inspected regularly so there is nothing to worry about. Safety is our first priority. We look forward to seeing you again.

Reviewed January 15, 2019

after many years of wanting to go here, even riding by on motorcycle, i finally stopped and spent a few hours exploring. keep in mind this took away road time on my bike (those that ride will understand) i felt it was well worth the...More

Date of experience: July 2018
2  Thank frankw264
Reviewed January 12, 2019 via mobile

Tall girl with glasses and long hair in pony tail very rude in front of my family. Made us want to leave but we stayed for the kids. Tour was great as always.

Date of experience: January 2019
Thank Katie H
Reviewed January 10, 2019 via mobile

With much excitement we drove to see the much hyped Lost Sea, in Sweetwater, Tennessee. Conveniently located off exit 60, of I-75, you then drive approximately seven miles to reach the Lost Sea entrance. The surrounding neighborhood is lush and pretty even in the winter...More

Date of experience: January 2019
2  Thank reginafug
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Questions & Answers
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January 1, 2019|
AnswerShow all 8 answers
Response from Lisa M | Property representative |
Yes when you come up our driveway you will see a large parking area on the right. There will be plenty of room to park there and get turned around. We look forward to seeing you.
November 4, 2018|
AnswerShow all 5 answers
Response from Lisa M | Property representative |
The adult rate is $20.95 and children 4-12 are $11.95 and children 3 and under are free. We look forward to seeing you.
September 4, 2018|
AnswerShow all 6 answers
Response from LSColeman | Reviewed this property |
Dogs are not allowed. Service dogs are the exception, but they'll want to see the official papers.