Openings · last 7 days
7
Booking reality
Campsite Sniper detected 7 site openings here in the last 7 days
01 · Detected Opening History · the openings record · file CS-233450
When Carbolyn Park reopens
Carbolyn Park's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
7
Openings · last 90 days
18
Only 18 openings in the last 90 days: not enough recent activity for a reliable pattern. A free Campsite Sniper alert watches around the clock instead, and pings you the moment one opens.
02 · Availability Outlook · Sep 18 – Sep 29, 2026 · of 26 monitored sites
Of the 312 tracked site-nights (Sep 18 – Sep 29, 2026): 233 open for online reservation · 79 reserved.
Where the open windows are
25.3% of tracked site-nights are not currently open for online reservation. 233 of 312 remain open; here is where they are.
Load status
Sep 18 – Sep 29, 2026Not open online25.3%
Open site-nights233 / 312
Reserved (of online inventory)79 / 312
Weekday openings123
Weekend openings110
Of the open site-nights on mapped sites, 123 fall on weekdays and 110 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Sep 2026September holds the most room. 233 of 312 site-nights are still open there.
Holiday windows
Sites open per night · of 26 sites| Window | Night | Sites open | Status |
|---|---|---|---|
| Labor Day | SAT Sep 5 | 0 | None open |
| SUN Sep 6 | 0 | None open | |
| MON Sep 7 | 0 | None open |
Labor Day: no online availability on any tracked night.
Best-availability sites
Most open site-nights · tracked window| Site | Open site-nights |
|---|---|
| 04 | 12 |
| 10 | 12 |
| 16 | 12 |
| 21 | 12 |
| 22 | 12 |
The 5 sites with the most open site-nights in the current snapshot. Pair a bookable date with a free alert to cover everything else.
Next windows
As of Sep 18, 2026 snapshotNext open dateFri · Sep 18
Next open weekendFri · Sep 18
The next bookable night is Sep 18; the first open weekend starts Sep 18. Campsite Sniper can watch later dates for you.
Stays and site detail
233 open site-nights across 24 sites at Carbolyn Park, from the same hourly snapshot as everything above.
Multi-night stays. 31 2-night, 27 3-night, 18 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 18 at site 04.
RV length. Longest recorded site here is 55 ft. 26 sites take 25 ft, 26 sites take 35 ft, 21 sites take 40 ft.
All 24 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 04 | 45 ft | Yes | 12 | 12 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 10 | 45 ft | Yes | 12 | 12 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 16 | 40 ft | Yes | 12 | 12 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 21 | 40 ft | None | 12 | 12 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 22 | 35 ft | None | 12 | 12 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 23 | 35 ft | None | 12 | 12 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 24 | 35 ft | None | 12 | 12 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 26 | 40 ft | Yes | 12 | 12 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 27 | 40 ft | Yes | 12 | 12 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 08 | 40 ft | Yes | 11 | 11 nights | Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 14 | 35 ft | Yes | 11 | 11 nights | Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 05 | 45 ft | Yes | 10 | 10 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 06 | 40 ft | Yes | 10 | 10 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 07 | 40 ft | Yes | 10 | 10 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 17 | 55 ft | Yes | 10 | 7 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29 |
| 18 | 50 ft | Yes | 10 | 7 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29 |
| 20 | 50 ft | Yes | 10 | 7 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29 |
| 29 | 35 ft | Yes | 10 | 5 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 03 | 45 ft | Yes | 9 | 9 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 01 | 45 ft | Yes | 8 | 6 nights | Sep 18, Sep 19, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 |
| 02 | 45 ft | Yes | 7 | 3 nights | Sep 18, Sep 19, Sep 24, Sep 25, Sep 27, Sep 28, Sep 29 |
| 13 | 45 ft | Yes | 5 | 3 nights | Sep 18, Sep 19, Sep 27, Sep 28, Sep 29 |
| 12 | 40 ft | Yes | 3 | 3 nights | Sep 27, Sep 28, Sep 29 |
| 09 | 45 ft | Yes | 1 | 1 night | Sep 29 |
About Carbolyn Park
Overview
Carbolyn Park is located in eastern Kansas along Dragoon Creek, just east of Pomona Lake. The scenic park appeals to family campers, sportsmen and water sport enthusiasts. The reservoir covers 4,000 acres and offers excellent fishing and boating opportunities.
Recreation
Fishing, boating, picnicking, and hunting are favorite activities on and around Pomona Lake. The lake's fish and wildlife resources provide ample opportunities for sportsmen and women.
Three nearby trails meander around Pomona, providing visitors with hiking and nature study opportunities. Deer Creek Nature Trail and Witches' Broom Trail are short trails for hikers.
The Black Hawk Trail offers a 33 mile loop with several trailheads. It is a popular hiking, horseback riding, and mountain biking path.
Facilities
Carbolyn Park Campground offers 32 campsites, 29 of which have electric and water hookups. Other amenities include flush and vault toilets, a shower building, playground, dump station, picnic shelter, boat ramp and numerous bank-fishing areas.
The local sheriff's department and Corps of Engineers rangers patrol the park during the recreation season.
A visitor center is located a short distance from the park and provides educational displays about the lake and its environment.
Natural Features
Pomona Lake is situated among the rolling hills, mixed grasslands, croplands and forests of eastern Kansas. Wildlife and numerous species of birds can be observed at this secluded, heavily shaded campground. Bald eagles, white-tailed deer, Canada geese, wild turkey, crappie, walleye, channel catfish and other wildlife can be found here.
Nearby Attractions
Numerous parks lie on the banks of Pomona Lake, offering additional boating, fishing, swimming, hunting, and hiking opportunities.
The town of Lyndon, Kansas is less than 10 miles away, with limited restaurants and shops. This small town is home to 22 historical sites and the smallest Carnegie library still in use.
26 monitored sitesRVs up to 55 ft22 with hookups26 shadedPets OKFire pitsMax party 8
Getting there
Located 25 miles south of Topeka on US 75. The park entrance is 4.5 miles north of Lyndon, KS on US 75 on the east side of the road.
5260 Pomona Dam Road, Vassar, KS 66543-9212785-453-2201
CampingPicnicking
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-233450 · facility + sites
Photo gallery
Roll CS-233450 · Carbolyn Park · Vassar KS12 frames · facility + sites
FAQ
How do I get a reservation at Carbolyn Park?
Reservations for Carbolyn Park are made through Recreation.gov. The current snapshot shows substantial availability: 233 of 312 tracked site-nights are open (74.7%), though availability can change. Campsite Sniper has also detected 18 site openings here in the last 90 days, so further dates may appear. Pick a site on the map to see its calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.
Does Campsite Sniper book this campground for me?
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
How current is this availability data?
Campsite Sniper re-checks public Recreation.gov availability for this facility every hour and republishes whenever anything changes. This facility's data last changed at Sep 18, 2026 16:19 UTC; an older timestamp means nothing has changed since that time, not that checking stopped. Always confirm final availability on Recreation.gov when you book.
How often do new openings appear at Carbolyn Park?
Campsite Sniper detected 7 site-date openings at Carbolyn Park in the last 7 days, 7 over 30 days and 18 over the last 90.
Can I get a multi-night stay at Carbolyn Park?
27 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 18 at site 04. Confirm and book on Recreation.gov.
Which sites at Carbolyn Park fit a 35-foot RV?
26 of the 26 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 55 ft.
Which month has the most availability at Carbolyn Park?
September 2026, with 233 open site-nights in the current snapshot of 312.
When is the next open date at Carbolyn Park?
As of the Sep 18, 2026 snapshot: the next open date is Fri, Sep 18 and the next open weekend starts Fri, Sep 18. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
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