Cowan Lake State Park

Wilmington, Ohio · Campsite openings, cancellations & sold-out date alerts

Lakes & RiversSmall parkWatched around the clock

Weekend availability

Live from Ohio State Parks · checked Sep 19, 2:45 PM PT
  • Fri, Sep 25
    Limited
    3/6 campgrounds
  • Fri, Oct 2
    Limited
    4/6 campgrounds
  • Fri, Oct 9
    Limited
    2/6 campgrounds
  • Fri, Oct 16
    Limited
    1/6 campgrounds
  • Fri, Oct 23
    Limited
    4/6 campgrounds

Sold out for your dates? We'll tell you the second a site opens.

Cancellations at Cowan Lake State Park get rebooked in minutes. We check Ohio State Parks around the clock and alert you before the crowd refreshes the page.

Set an alert for Wilmington$9.99/mo — why we charge

Not ready to subscribe? Get a free weekend heads-up.

We'll email you if Cowan Lake State Park opens up for a weekend you pick. No account needed.

How booked is Cowan Lake State Park?

as of July 23

Sites are open right now — we found space out to Jan 2027. That changes fast at a state park. We check Cowan Lake State Park around the clock, so the moment your dates fill up and a cancellation reopens them, you'll be first to know. Weekdays still have room — for now.

Weekends (Saturday night)

Aug 8Open
Oct 24Open
Jan 9Open

Weekdays (Wednesday night)

Aug 19Open
Nov 4Open

Availability checked directly against the reservation system, out to 6 months ahead.

Park type

Lakes & Rivers

Small park

Online booking

Available on Ohio State Parks

Official state reservation system

Alert coverage

Checked around the clock

Openings, cancellations & new dates

Where Cowan Lake State Park is

1750 Osborn Rd.

Wilmington, OH 45177

39.3899, -83.8921

Get directions

Getting a campsite at Cowan Lake State Park

How do I get a campsite at Cowan Lake State Park when it's sold out?

Cancellations happen constantly — the trick is being first to know. Set an alert for your dates and we'll watch Cowan Lake State Park on Ohio State Parks around the clock, then notify you the moment a site opens. Alerts run on a Pro subscription ($9.99/mo, cancel anytime).

When do campsites usually open up at Cowan Lake State Park?

Whenever someone cancels. Most reservation systems refund less the closer you get to arrival, so cancellations cluster in the days before a stay — but the openings themselves are unpredictable, which is exactly why watching for them beats refreshing the page.

Where do I book a campsite at Cowan Lake State Park?

Reservations for Cowan Lake State Park are made on Ohio State Parks, the official booking system for Ohio State Parks. GetParkAlerts is independent — we tell you when a site opens; you book it directly on the official site.

Parks near Cowan Lake State Park

Flexible on where you camp? Watch a few of these too — more parks, better odds.

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