It’s Missouri
It's Missouri

Mark Twain Cave

Mark Twain Cave near Hannibal runs hour-long guided tours of the cave that inspired Tom Sawyer. The route is 3/8 mile, lit and has no stairs. Adults pay $29.99 and children 4 to 12 pay $16.99. Pets are not allowed.Checked October 30, 2026 against the official pages listed under Sources. Prices, hours and seasons change; confirm on the official site before you go.
  • CaveType
  • HannibalCity
  • North MissouriRegion
  • See BelowAdmission

Header photo: Illustrative photo, not this attraction.

Visit Facts at a Glance

Address300 Cave Hollow Road, Hannibal, MO 63401
Phone(573)231-1000
HoursAs printed when we read it on October 30, 2026: Mark Twain Cave tours: January – March 10:00am – 4:00pm; April – May 10:00am – 5:00pm; Memorial Day – Labor Day 9:00am – 7:00pm (Sun – Thu), 9:00am – 8:00pm (Fri – Sat); September – October 10:00am – 5:00pm; November – December 10:00am – 4:00pm
Open seasonOpen year round
AdmissionAs printed: Mark Twain Cave: Adults (13 & Up) – $29.99; Children (4-12) $16.99. Cameron Cave: Adults $32.99; Children $16.99
DogsNo Pets
Tickets and reservationsOfficial reservations page
Official siteMark Twain Cave (official)

What to Know

  • The tour is described as an easy, hour-long guided walk through Missouri's oldest show cave.
  • The cave stays 52 degrees year round.
  • The tour is not wheelchair accessible and strollers are discouraged.
  • Sensible walking shoes are recommended; no food or drink in the cave.
  • The site also sells Cameron Cave tours, a Mark Twain live show, city tours, a winery and a campground.

Facts, Each With Its Source

  • Tour route length: 3/8 mile (source)
  • Cave temperature: 52 degrees year round (source)
  • Adult price: $29.99 (source)

Directions and Location

300 Cave Hollow Road, Hannibal, MO 63401. Open in Google Maps

Approximate pin from an OpenStreetMap place with this name, not a surveyed entrance. © OpenStreetMap contributors.

Coming Up Near Mark Twain Cave

Nothing on our checked calendar yet. We list only events whose dates an organizer has published. See all Missouri events.

Nearby

More: Places To Go, state parks and historic sites, North Missouri guide, North Missouri events.

What We Could Not Verify

Not confirmed
  • Store hours and other tours recorded only in part.
  • The map pin is approximate, from OpenStreetMap, not a surveyed entrance.

Questions People Ask

What does Mark Twain Cave cost?

As printed on the official site when we read it: Mark Twain Cave: Adults (13 & Up) – $29.99; Children (4-12) $16.99. Cameron Cave: Adults $32.99; Children $16.99

What are the hours at Mark Twain Cave?

As printed on October 30, 2026: Mark Twain Cave tours: January – March 10:00am – 4:00pm; April – May 10:00am – 5:00pm; Memorial Day – Labor Day 9:00am – 7:00pm (Sun – Thu), 9:00am – 8:00pm (Fri – Sat); September – October 10:00am – 5:00pm; November – December 10:00am – 4:00pm

Where is Mark Twain Cave?

300 Cave Hollow Road, Hannibal, MO 63401.

Sources

  1. Hours & Prices, read October 30, 2026
  2. Mark Twain Cave Tour, read October 30, 2026
  3. Find Us, read October 30, 2026

Checked October 30, 2026 by It’s Missouri. Cite this page: Mark Twain Cave, itsmissouri.com (https://itsmissouri.com/places-to-go-in-missouri/mark-twain-cave/), checked 2026-10-30. Free to quote with a link.