Rushmore Cave
13622 SD-40, Keystone, SD 577514.7(1,185 Google reviews)Free
Natural adventure park with guided cave tours & spelunking plus a zip line, 7D ride & gem mining. Rushmore Cave 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
Questions parents ask
Is Rushmore Cave free?
Rushmore Cave is listed as free to visit.
When is Rushmore Cave usually open?
Rushmore Cave is in South Dakota, where the typical splash pad season is June through August. Local hours can change for maintenance, weather, or special events.
Are there restrooms at Rushmore Cave?
Restrooms are not confirmed for this listing, so plan accordingly.
Is Rushmore Cave good for toddlers?
This listing is marked for all ages, which usually makes it a flexible choice for families with mixed ages.
Is parking available at Rushmore Cave?
Parking is not confirmed in this listing. Check the map and nearby park information before you go.
NEARBY