One Last Family Weekend of the Year at Jellystone Park™ Mark Twain Lake (Plus a 2027 Sneak Peek)

The 2026 season is doing that thing where it was somehow just June five minutes ago and now it’s basically over. Rude. Deeply rude.

But before everyone spirals into “where did the year go,” here’s the good news: there’s still time for one last family weekend at Jellystone Park™ Mark Twain Lake. One more campfire. One more costume. One more round of kids staying up way too late and sleeping the whole drive home. The season isn’t done just yet, and this is the window.

Quick answer: when is the last weekend to camp at Jellystone Park™ Mark Twain Lake in 2026?

The final weekend of the 2026 season at Jellystone Park™ Mark Twain Lake is October 9-11. After that weekend, the park closes for the season and reopens for 2027. That makes early October the last chance to camp near Monroe City and Hannibal, MO this year, so booking soon is the move.

What’s still on the table

The grand finale lands October 9-11, and it goes out with a full Halloween Spooktacular send-off. Costume contest for all ages (pets included, because the dog has earned this), a haunted trail for the brave, the Magic Pumpkin Patch, park-wide trick-or-treating, and a site and golf cart decorating contest that brings out everyone’s inner overachiever.

Saturday afternoon, ventriloquist Doug Mickan takes the stage with a show that’s fun for the kids and lowkey a bit for the adults too. Add crisp air, hoodie-weather campfires, and s’mores that definitely count as dinner, and that’s a season finale worth showing up for.

Translation: this is the last call to turn “we should do one more trip” into an actual trip before the park goes quiet for winter.

Make it count (before it’s gone)

Here’s the part that matters: once October 11 wraps, that’s it until spring. Cabins for the closing weekend are the first to go, and the clock is very much ticking.

So for anyone who has been letting “we’ll figure it out” live rent-free in the group chat, this is the sign to just book it. Future-you, cozied up by the fire while the kids sprint around in costumes, will be very glad present-you finally committed.

Monroe City sits right on Mark Twain Lake and about 30 minutes from historic Hannibal, so a final-weekend trip can easily pick up a little foliage drive, some lake time, or a wander through Mark Twain’s hometown. Columbia, MO and Quincy, IL are both in easy day-trip range too.

The 2027 sneak peek (start the vision board)

Here’s the plot twist that makes the goodbye easier: the park reopens for the 2027 season, and next year is already shaping up to be a whole thing.

Picture it. Warm-weather lake days, the return of all the signature summer and fall events, Labor Day weekend, and another round of Halloween Spooktacular weekends. The whole lineup comes back, and the memories basically plan themselves.

And for the type-A planners (respect), 2027 dates are already worth locking in. The most popular weekends, think Labor Day and the Halloween weekends, are the first to sell out every single year. Booking early means first pick of the best cabins and lakefront sites, and one less thing to stress about later.

Fall sendoff now, 2027 glow-up loading. Both are worth getting on the calendar.

Book the final weekend (and dream about next year)

One last family weekend. One easy win before winter. Zero reasons to keep scrolling.

Reserve online at the booking page or call the park at (573) 735-9422. Browse cabins and RV sites first on the ways to stay page, and ask about 2027 availability while planning ahead.

FAQ

When is the last weekend to camp at Jellystone Park™ Mark Twain Lake in 2026? The final weekend of the 2026 season is October 9-11. The park closes for the season after that weekend and reopens for 2027.

What is happening the final weekend? October 9-11 is the last Halloween Spooktacular weekend, featuring a costume contest, a haunted trail, the Magic Pumpkin Patch, park-wide trick-or-treating, a site and golf cart decorating contest, and a Saturday afternoon show by ventriloquist Doug Mickan.

Are cabins still available for the closing weekend? Cabins tend to sell out first for the final weekend, so booking early is the best way to secure one before the season ends.

Where is Jellystone Park™ Mark Twain Lake located? It is at 42819 Landing Ln, Monroe City, MO, on Mark Twain Lake and about 30 minutes from Hannibal, within day-trip range of Columbia, MO and Quincy, IL.

When does the park reopen after the 2026 season? The park reopens for the 2027 season, bringing back its signature summer and fall events, including Labor Day weekend and the Halloween Spooktacular weekends.

Can guests book a 2027 stay now? Yes. Popular 2027 dates like Labor Day and the Halloween weekends fill first, so booking early secures the best cabins and lakefront sites. Call (573) 735-9422 to plan ahead.

What else is there to do near the park in the fall? Beyond on-site events, guests can enjoy fall fishing and foliage on Mark Twain Lake and day trips to historic Hannibal, Columbia, MO, and Quincy, IL.