Riverside - Sontag Day Use Area

Nine Mile Falls, Washington · Campsite openings, cancellations & sold-out date alerts

State ParksWatched around the clock

Weekend availability

Live from Washington State Parks · checked Sep 5, 5:45 PM PT

Sold out 3 of the next 3 weekends — exactly when cancellation alerts earn their keep.

  • Fri, Sep 25
    Sold out
  • Fri, Oct 2
    Sold out
  • Fri, Oct 9
    Sold out
Alert me when a sold-out weekend opens

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

Cancellations at Riverside - Sontag Day Use Area get rebooked in minutes. We check Washington State Parks around the clock and alert you before the crowd refreshes the page.

Set an alert for Nine Mile Falls$9.99/mo — why we charge

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

We'll email you if Riverside - Sontag Day Use Area opens up for a weekend you pick. No account needed.

Park type

State Parks

Washington State Parks system

Online booking

Available on Washington State Parks

Official state reservation system

Alert coverage

Checked around the clock

Openings, cancellations & new dates

Where Riverside - Sontag Day Use Area is

Nine Mile Falls, WA 99026

47.7787, -117.5495

Get directions

Getting a campsite at Riverside - Sontag Day Use Area

How do I get a campsite at Riverside - Sontag Day Use Area 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 Riverside - Sontag Day Use Area on Washington 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 Riverside - Sontag Day Use Area?

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 Riverside - Sontag Day Use Area?

Reservations for Riverside - Sontag Day Use Area are made on Washington State Parks, the official booking system for Washington State Parks. GetParkAlerts is independent — we tell you when a site opens; you book it directly on the official site.

Parks near Riverside - Sontag Day Use Area

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

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