Rush Mountain Adventure Park

4.6(1,650 Google reviews)Free

Adventure park featuring Rushmore Cave, a roller coaster, a challenge course, a zipline & more. Rush Mountain Adventure Park is a free splash pad in Keystone, SD, located at 13622 SD-40, Keystone, SD 57751. In South Dakota, splash pads are typically seasonal; local patterns point to June through August. The listing is marked for all ages, so it should work for mixed-age sibling groups. Shade is not confirmed, so morning or late-afternoon visits may be more comfortable. Restroom availability is not confirmed, so plan a backup stop nearby.

Parents should know

Best use

Good candidate for a low-cost cooling-off stop, especially when you only need an hour or two of water play.

Season

Typical season: June through August. Always confirm current operation before visiting.

Bathrooms

Restrooms are not confirmed in the listing.

Shade

Shade is not confirmed, so bring sun protection.

Parking

Parking details are not confirmed.

Hours

MondayClosed

TuesdayClosed

WednesdayClosed

ThursdayClosed

Friday9AM-5PM

Saturday9AM-5PM

SundayClosed

These hours may reflect a park office or venue listing rather than splash pad water operation. Confirm locally before visiting.

Typical season

June through August

Plan more

More in Keystone All South Dakota splash pads Splash pad safety Toddler splash pad tips When splash pads open

Questions parents ask

Is Rush Mountain Adventure Park free?

Rush Mountain Adventure Park is listed as free to visit.

When is Rush Mountain Adventure Park usually open?

Rush Mountain Adventure Park is in South Dakota, where the typical splash pad season is June through August. Local hours can change for maintenance, weather, or special events.