Castle Park's Dia de los Muertos Event in Riverside is a vibrant, family-friendly celebration running from September 20th to November 2nd, 2025. This daytime event blends the colorful traditions of Día de los Muertos from Mexico and Latin America with fun Halloween festivities. Guests will enjoy live entertainment, “Duke’s Trick or Treat Trail,” costume dance parties, pumpkin painting, slime-making activities, and creative crafts for kids. The event is designed to create a joyful, creative, and culturally rich Halloween experience for all ages, highlighting the spirit of remembrance and community.