For Adults:

1. Ontario Mills: Large outlet mall with numerous stores and entertainment options.
2. Cucamonga-Guasti Regional Park: Enjoy fishing, pedal boating, and picnicking.
3. Ontario Museum of History & Art: Learn about local history and enjoy rotating art exhibits.
4. Citizens Business Bank Arena: Catch concerts, sports events, and shows.
5. Graber Olive House: Tour this historic olive packinghouse and shop for gourmet products.

For Kids:

1. Scandia Amusement Park: Features rides, mini-golf, and arcade games.
2. iFLY Indoor Skydiving: Experience the thrill of skydiving in a safe environment.
3. John Galvin Park: Large park with playgrounds, sports fields, and picnic areas.
4. Ontario Ice Skating Center: Year-round ice skating fun for all ages.
5. Whispering Lakes Golf Course: Family-friendly 9-hole course perfect for beginners.