Join Insomniac for the best electronic dance music, camping and art festival in Southern California! Get tickets for Nocturnal Wonderland at Glen Helen Regional Park on Sunday, September 20, 2026 at 3:00 PM. 5 days ago · Get Nocturnal Wonderland 2026 tickets on JamBase. Discover the lineup, dates, venue, and more. Your festival guide to Nocturnal Wonderland 2026 with dates, tickets, artists, lineup, set times, map, and more. 2 days ago · Nocturnal Wonderland 2026 runs Saturday September 19 and Sunday September 20 at Glen Helen Regional Park, San Bernardino, California. Gates 3 PM, music to … Sep 19, 2020 · Nocturnal Wonderland, Music Festival, Glen Helen Regional Park, San Bernardino, CA | Sep 19 - 20, 2026. Presented by the electronic stronghold Insomniac, Nocturnal Wonderland features a … View the full Nocturnal Wonderland 2026 lineup with set times, stages, and daily schedules. Search and filter artists and plan your festival with Festival Dust. Your festival guide to Nocturnal Wonderland 2026 with dates, tickets, lineup info, photos, news, and more.