CONTACT JELLYSTONE MARK TWAIN LAKE MO.
We’d Love to Hear From You
Call us:
Email us:
customercare@marktwainlakejellystone.com or
reservations@marktwainlakejellystone.com
Visit us:
Mark Twain Lake Jellystone Park™
42819 Landing Lane
Monroe City, MO 63456
The Water Zone Hours 2025:
May 24 – August 10: 7 Days A Week 10a-6p
August 11 – August 24: Weekends Only (Sa & Sun 10A-3P)
Labor Day Weekend: Sa & Su 10A-6P & Labor Day 10A-3P
CLOSED AFTER LABOR DAY
Park Hours:
Spring, April 19-May 22
Ranger Station:
M-Th: 9am-5pm
F-Sa: 9am-7pm
Su: 9am-5pm
Cartoon Café:
M-Th: Closed
F: 4pm-7pm
Sa: 9am-7pm
Su: 9am-11am
Peak/Summer, May 23-September 2
Ranger Station:
Su-Th: 9am-9pm
Fr-Sa: 9a-11p
Cartoon Café:
Su-Th: 9am-9pm
Fr-Sa: 9a-11p
Fall, September 3-October 14
Ranger Station:
M-Th: 9am-5pm
F-Sa: 9am-7pm
Su: 9am-5pm
Cartoon Café:
M-Th: Closed
F: 4pm-7pm
Sa: 9am-7pm
Su: 9am-11am
Please read our Rules & Regulations & Privacy Policy
We will not share or sell subscriber information with 3rd parties for their direct marketing purposes. No mobile information will be shared with third parties/affiliates for marketing/promotional purposes. All the above categories exclude text messaging originator opt-in data and consent; this information will not be shared with any third parties. By selecting the Check Box on The Bookings Check Out Page Guests Agree to Receive Marketing SMS. Guests may receive a SMS prior/during/after their stay with us. Reply STOP to Opt Out. Standard message and data rates may apply.