Onondaga Cave State Park

Missouri State Parks

🏕️ CampgroundSt. Louis areaMissouri

🟢 15 open windows right now — soonest Sun Sep 6–Wed Sep 9

Availability checked 10h ago · changes fast, verify before you drive

📈 CampSage caught 8 cancellations here in the last 7 days — set an alert below to catch the next one.

💡 In short

Onondaga Cave State Park in Missouri has 15 open booking windows on the park's online reservation system right now, the soonest Sun Sep 6–Wed Sep 9. Reserve directly through the booking link above — cancellations go fast. To catch future openings the instant they appear, set a free CampSage cancellation alert.

📅 Open dates

Sun Sep 6 – Wed Sep 93 nightsbook — pick dates there →sites Campground 038, 041, 045, 056

Sun Sep 6 – Tue Sep 82 nightsbook — pick dates there →sites Campground 067

Mon Sep 7 – Thu Sep 103 nightsbook — pick dates there →👥 7 in a row, 011–017 next to each othersites Campground 001, 002, 004, 005, 006, 007, 011, 012, 013, 014, 015, 016, 017, F018, 022, 023, 025, 027, 028, 029, 030, 031, 032, 037, 039, 040, 042, 043, 044, 050, 054, 055, 057, 059, 060, 061, 062, 063, 064, 065, 068

Fri Sep 11 – Mon Sep 143 nights🗓 weekendbook — pick dates there →👥 005 & 006 next to each othersites Campground 002, 005, 006, 014, 015, 030, 031, 068, Shelters SHLT

Mon Sep 7 – Wed Sep 92 nightsbook — pick dates there →sites Campground 047, 058

Tue Sep 8 – Fri Sep 113 nightsbook — pick dates there →sites Campground 003, 010, F020, 024, 053

Wed Sep 9 – Fri Sep 112 nightsbook — pick dates there →👥 3 in a row, 034–036 next to each othersites Campground 009, 034, 035, 036

Sun Sep 13 – Wed Sep 163 nightsbook — pick dates there →sites Campground 008

⚡ EV charging nearby

Nearest DC fast charging: 12.3 mi away (straight line).

⚡ Electrify America12.3 midirections →

⚡ EVgo12.5 midirections →

🔌 Tesla25.0 midirections →

Distances are straight-line, not driving — the road can be much longer where a river, a lake or a canyon sits in between. From OpenStreetMap — community-mapped, so plug types can lag reality. Verify on your charging network’s app before counting on a charger.

📊 How often sites open up here

CampSage's scans caught 29 openings at Onondaga Cave State Park over the last 30 days, on 28 separate days, most of them for stays 3–19 days out and the openings typically covered 2–3 nights.

These are the openings our own scans saw — not a figure the booking system publishes. We re-check availability several times a day, so the real number can be higher.

🏕️ About this campground

🎥 23K YouTube views · top 12

💡 Insider tips from campers

❓ Onondaga Cave State Park FAQ

How do I reserve a campsite at Onondaga Cave State Park?

Onondaga Cave State Park in Missouri takes campsite reservations through the park's online reservation system. On this page, use the “Book / check availability” button to open the live booking page, see which dates are free, and reserve your site.

How can I get a spot at Onondaga Cave State Park when it's fully booked?

Popular campgrounds like Onondaga Cave State Park often fill months ahead, but campers cancel every day and those sites reopen for booking. CampSage checks availability for you and sends a free email the instant a cancellation opens — set an alert on this page and you can grab the spot before anyone else.

How often do campsites open up at Onondaga Cave State Park?

CampSage's scans caught 29 openings at Onondaga Cave State Park over the last 30 days, on 28 separate days, most of them for stays 3–19 days out and the openings typically covered 2–3 nights. These are the openings our own scans saw — not a figure the booking system publishes. We re-check availability several times a day, so the real number can be higher.

Where is Onondaga Cave State Park located?

Onondaga Cave State Park is located in St. Louis area, Missouri. Tap “Directions” above for driving directions, or see nearby campgrounds lower on this page.

🔔 Get a free opening alert

We'll email you when a site opens at Onondaga Cave State Park.

🎯 Only these dates (optional): to

Only weekends (Fri/Sat nights)

🌙 Minimum stay (Pro):

Skip the 1-night midweek openings — only hear about stays worth the drive.

👥 Group size (Pro):

Camping with a group? Only hear about openings with that many sites NEXT TO EACH OTHER on the same dates — consecutive numbers in one loop, not just that many free somewhere in the park.

🚫 Skip site types (Pro):
No hookup/electric sites (tent or van camping)
No hike-in / walk-in / boat-in / backcountry sites
No group sites (solo/family camping)

Works where the booking system publishes per-site types (rec.gov campgrounds).

Free email alerts · instant push in the iOS app · unsubscribe anytime

📡 Follow these cancellations

Subscribe in your calendar or RSS reader to get openings here automatically.

📆 iCal feed · 📡 RSS feed

Running a camping/RV blog? Embed this widget free →

A live cancellation widget for Onondaga Cave State Park that updates itself — free, no account, no API key. The snippet includes a one-line credit under the widget; leaving it in is what keeps this free for everyone, and it tells your readers what they are looking at. Preview it.

<iframe src="https://campsage.app/camp/embed/onondaga-cave-state-park-mosp-5" width="340" height="280" loading="lazy" style="border:0;border-radius:14px" title="Onondaga Cave State Park cancellations"></iframe>
<p style="font:12px/1.5 system-ui,sans-serif;margin:6px 0 0">Live campsite availability for <a href="https://campsage.app/camp/site/onondaga-cave-state-park-mosp-5">Onondaga Cave State Park</a> · powered by <a href="https://campsage.app">CampSage</a></p>

Explore

Camping in Missouri State ParksEvery campground it manages Campgrounds near Hoosier NF / BloomingtonNearby areas

Campgrounds near Onondaga Cave State Park · all Missouri campgrounds →

🎒 Gear up for your trip

⛺ Tent 🛌 Sleeping bag 🛏️ Sleeping pad 🧊 Cooler 🪑 Camp chair 🔦 Headlamp 🔥 Camp stove 💧 Water filter

affiliate

All open campsites · Map · Most-wanted · ✉️ Contact