Iao Valley State Park

Wailuku, Hawaii · Campsite openings, cancellations & sold-out date alerts

State ParksSmall parkWatched around the clock

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

Cancellations at Iao Valley State Park get rebooked in minutes. We check Hawaii State Parks around the clock and alert you before the crowd refreshes the page.

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

Park type

State Parks

Small park

Online booking

Available on Hawaii State Parks

Official state reservation system

Alert coverage

Checked around the clock

Openings, cancellations & new dates

Where Iao Valley State Park is

54 High Street

Wailuku, HI 96793

20.8808, -156.5450

Get directions

Getting a campsite at Iao Valley State Park

How do I get a campsite at Iao Valley 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 Iao Valley State Park on Hawaii 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 Iao Valley 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 Iao Valley State Park?

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

Parks near Iao Valley State Park

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