Las Vegas Halloween celebrations are taking place across the valley throughout October, with haunted attractions, family-friendly trick-or-treating, pumpkin patches, costume contests and nightlife events scheduled through October 31 and into early November. The 2026 calendar includes activities at community centers, museums, resorts, entertainment venues and outdoor attractions, offering options for families with children as well as adults seeking Halloween parties. One of the major family attractions is HallOVeen at the Magical Forest, the annual fundraiser hosted by Opportunity Village. The event features carnival rides, entertainment, trick-or-treat stations, midway games and miniature golf. It runs daily through October 31, with tickets…